Friday, December 30, 2011

POWER PLANT ENGINEERING ME2353


ME 2353 POWER PLANT ENGINEERING ANNA UNIVERSITY QUESTION BANK

UNIT-I INTRODUCTION TO POWER PLANTS AND BOILERS 
PART A (2Marks) 
1. What is the purpose of surge tank in a hydroelectric power plant?
2. What are the three main factors for power output of hydroelectric plant?
3. Discuss the essential factors which should be considered while selecting a site for a hydroelectric power plant?
4. State the advantages and disadvantages of the hydroelectric power plants.
5. List out the factors with which the unit size of the power plant is being decided.
6. What is the use of load curves in power plants?
7. Mention any two drawbacks of a stationary gas turbine power plant for generation of electricity. 
8. What are the applications of diesel engine power plant?
9. Why is the maximum cycle temperature of gas turbine plant much lower than that of diesel power plant?
10. What are the different fields where use of diesel power plant is essential?
11. What is the purpose of air intake system in a diesel engine power plant?
12. What is the basic principle of a magneto hydro dynamic (MHD) generator?
13. How the nuclear reactors are classified?
14. What are the main units in a gas turbine power plant?
15. What is the function of economizer?
16. What is the use of regenerator?
17. Define super critical boilers.
  18. List out the inherent advantages of the combined power cycles.
19. List out the major advantages of high pressure boiler in modern thermal power plants.
20. Explain the basic principle of FBC.
PART-B (16 Marks) 
1. Draw the general layout of thermal power plant and explain the working of different circuits.          (16)
2. Sketch the layout of hydroelectric power plant and explain the functions of each component in it. Discuss
the advantages and limitations of this plant.                (16)
3. What are the factors to be considered while selecting a site for hydroelectric power plant?           (16)
4. Explain the Gas turbine power plant with neat sketch. Discuss the advantages of gas turbine power plant    (16)
5. Draw the layout of Diesel power plant.                  (16)
6. Explain the construction and working of Nuclear power plant with a layout.              (16)
7. Draw the layout MHD open cycle generator and explain its functions of components.             (16)
8. Discuss the various factors to be considered while selecting the site for nuclear power station.           (16)
9. What are the advantages of reheat cycle over simple ranking cycle?               (16)
10. Steam at 10bar and 0.95 dry is available. Find the final dryness fraction of steam for each of the following
operations using steam table:
 (i) 160 kJ of heat is removed per kg of steam at constant pressure.
      (ii) It is cooled at constant volume till its temperature falls to 140
     (iii) Steam expands isentropically in the steam turbine developing 200KJ of work per kg of steam flow and
pressure becomes 0.5bar.                    (16)
11. A steam boiler generates steam at 30bar, 300
0
C at the rate of 2kg/s. This steam is expanded isentropically in a
turbine to a consider pressure of 0.05bar, condensed at constant pressure and pumped back to boiler.
 a) Draw the schematic arrangement of the above plant and T-s diagram of Rankine Cycle.
 b) Find heat supplied in the boiler per hour
 c) Determine the quality of steam after expansion.
 d) What is the power generated by the turbine?
 e) Estimate the Ranking efficiency considering pump work.            
12. Draw a neat line diagram of Benson boiler and discuss its relative merits and demerits.            (16)
13. With a neat sketch explain the working principle of Loeffler boiler.               (16)
14. What are the advantages of high pressure boilers?                 (16)
15. What are the advantages of super critical boiler over critical boilers?               (16)
16. Explain with neat sketch the principle of a commercial FBC system.               (16)
17. Draw a line diagram of fluidized bed combustion system where steam turbine is used as a prime mover
and explain its working.                    (16)
UNIT-II STEAM POWER PLANT 
PART A  
1. What are the methods used for handling of coal?
2. State the advantages and disadvantages of pulverized coal firing.
3. State the advantage of pulverized fuel firing.
4. What is the function of cooling tower?
5. What are the requirements of a modern surface condenser?
6. What is drift? How is the drift eliminated in the cooling towers?
7. What is pulverization?
8. What are the methods used in ash handling system?
9. What is the mechanism of pulverized fuel firing system?
UNIT-II STEAM POWER PLANT
PART-B (16 Marks) 
1.  a) Draw an explanatory line diagram of an ash handling system employed in steam power plants and also    
         explain the difficulties encountered in the handling of ash in a thermal power station.          (10)
     b) Explain the difficult types of coal handling process.                 (6)
2.  a) Explain the principle involved in preparation of coal and what are the methods of preparation?          (10)
     b) What are the different types of dust collectors used?                (6)
3. What are the different types of pulverizing mills? Explain with its neat sketch.             (16)
4.  How ash is handled in the power plant? Explain the ash handling system.             (16)
1. What are the methods used for pulverized fuel burning?               (16)
2. Explain the various draught systems with a neat sketch.               (16)
3. Explain the principle involved in design of chimney.                (16)
4. What are the different types of cooling towers? Explain with a neat sketch.             (16)
5. Explain the analysis of pollution from thermal power plants.               (16)
6. What are the methods used for control the pollutants.                (16)
7. Differentiate between forced draught and induced draught system in cooling tower.            (16)
UNIT-III NUCLEAR AND HYDEL POWER PLANTS 
PART A (2Marks) 
1. What are the advantages of nuclear power plant?
2. What do you understand by moderation?
 
3. Explain the function of moderator?
4. Explain the function of nuclear reactor
5. List down the basic factors those are to be considered for the design of a nuclear power reactor.
6. What is “half life” of nuclear fuels?
7. List down the nuclear waste disposal method.
 8. Define the term “Breeding”
9.  What factors control the selection of a particular type of a reactor?
10. What are the components of pressurized water reactor nuclear power plant?
11. What are the micro hydel plants? Why are they important now days?
12. What is the function of a surge tank in a hydro electric power plant?      
13. What is hydraulic turbine?
14. Give an example for a low head turbine a medium head turbine and a high head turbine.      
15. What are reaction turbines? Give example.
16. Differentiate the impulse and reaction turbine     
17. Define unit speed of turbine.
18. Write the function of draft tube in turbine outlet?
19. What is a draft tube? In which type of turbine it is mostly used?
20 What is meant by surge tank?
UNIT-III NUCLEAR AND HYDEL POWER PLANTS
PART-B (16 Marks) 
1. What is chain reaction? How it is maintained? What is the difference between controlled and uncontrolled chain  
    reaction? Explain with neat sketches and with examples.               (16)
2. a) Describes the boiling water reactor with the help of neat sketch and explain its chief characteristics.         (10)
    b) Discuss the salient features of the nuclear waste disposal.               (6)
3. What is a chain reaction? How it is controlled? Explain with a neat sketch a boiling water reactor.         (16)
4. a) Explain the working of a typical fast breeder nuclear reactor power plant, with the help of neat diagram      (10)
    b) Write short notes on Nuclear waste disposal                 (6)
5. a) What are the difference between a pressurized water reactor nuclear power plant and boiling water reactor
nuclear power plant?                    (10)
    b) What are the desirable properties of a good moderator?                (6)
6. a) What are the advantages and disadvantages of nuclear power plant?              (8)
    b) Explain with a neat sketch the indirect gas cooled reactor                (8)
7.a) Explain the principle of operation of sodium graphite reactor.                (8)
   b) Derive an expression for the maximum hydraulic efficiency in a impulse turbine             (8)
8. a) Differentiate pelton wheel turbine with Francis turbine.                 (8)
    b) Compare radial flow and axial flow turbo machines.                  (8)
9. a) Define specific speed of a turbine. Derive an expression for the specific speed.            (10)
    b) Explain the term unit power, unit speed and unit discharge with reference to a turbine            (6)
10. Function of draft tube in turbines and the various types of draft tubes.              (16)
11. Draw a layout of a typical micro hydro scheme and explain its working in detail.            (16)

UNIT-IV DIESEL AND GAS TURBINE POWER PLANTS 
PART A (2Marks) 
1. What are the applications of diesel electric power plants? 
     
2. What are the methods used for starting a diesel engine?
3. What are the components present in the diesel electric power plants
     
4. What is the commonly used fuel injection system in a diesel power station?
     
5. What are the methods of cooling in a diesel engine power plant?
   
6. Discuss the effect of inter cooling in a gas turbine plant.
     
7. What is the different between open cycle and closed cycle gas turbine plant?
8. How the gas turbine blades are cooled?
   
9. Why is the maximum cycle temperature of gas turbine plant much lower than that of diesel power plant?
     
10. Define mean effective pressure as applied to gas power cycles How it is related to indicated power of an I.C.  
      engine?
12. Mention the various process of the Brayton cycle.
13. Draw the p-V and T-s diagram of Brayton cycle.
14.. What is the principle of operation of simple jet propulsion system?
15.. Sketch the schematic arrangement of open cycle gas turbine plant and name the components.
       
UNIT-IV DIESEL AND GAS TURBINE POWER PLANTS
PART-B (16 Marks) 
1. Draw and explain the layout of a modern diesel power plant showing the following systems.
    a. Air Intake system
    b. Cooling system
    c. Fuel supply system
    d. Lubrication system and
    e. Exhaust system.                    (16)
2. Describe the auxiliary equipments of a diesel engine power plant. what are the disadvantages of this plant     (16)
    Hint: Auxiliary equipments are
    a. Pneumatic starter b. Air compressor. c. Air conditions and d. coolant circulation pump.
3. a). Explain the various types of cooling system used in diesel power plant              (8)
    b). Name and explain briefly the various types of fuel injection system               (8)
4. a). Give the layout of diesel engine power plant. What are the advantages and disadvantages of diesel power  
    plants?                     (10)
    b). Describe briefly the commonly used starting system in large and medium size engines.             (6)
5. a) Derive an expression for air standard efficiency of Brayton cycle interms of (i) compression ratio and (ii) the
    pressure ratio.                     (10)


    b) Why is the Brayton cycle most suitable for gas turbine power?                  (6)
6. a). Bring out the difference between the closed cycle and open cycle gas turbine power plants            (6)
    b). Draw a neat diagram of a regenerative gas turbine and reheater and also explain it working with a help of a    
    p-v diagram.                     (10)
7. a) What are the methods used for improving the efficiency of a gas turbine plant?             (4)
    b) Explain the working of any one type of combustion chamber used in gas turbine plant?           (12)
8. Sketch the Brayton cycle. Air enters the compressor of the cycle at at 1 bar and 25
0
c. Pressure after compression
is 3 bar. Temperature at turbine inlet is 650
0
c. Determine per kg of air the (i) cycle efficiency (ii) heat supplied to air,
(iii) work available (iv) heat rejected in the cooler and (v) Temperature of air leaving the turbine.  
          (16)
9. a). With PV and TS diagram explain the effect of intercooling, reheating and regeneration in a gas turbine plant  
                      (10)
    b). Discuss the materials which are used for gas turbine and compressors. What properties should the blade
    materials posses?                     (6)
10. A gas turbine working on theoretical air cycle draws air initially at 25
0
c and 1 bar. The maximum pressure and
     temperature is 3 bar and 650
0
c. Calculate air standard efficiency, heat supplied, heat rejected, work output per  
     kg of air exhaust temperature.                   (16)
11. In an air standard Brayton cycle, the air enters the compressor at 1 bar and 15
0
c. The pressure leaving the  
      compressor is 5bar, the maximum temperature in the cycle 900
0
c . find the following
      a. Compressor and expander work per kg of air
      b. The cycle efficiency. If an ideal regenerator is incorporated into the cycle, determine the % change in
      efficiency .                     (16)
12. Consider a stationary power plant operating on an ideal Brayton cycle. The pressure ratio of the cycle is 8 and  
      the gas temperature at the compressor inlet and turbine inlet are 27
0
c & 1027
0
c respectively. Determine the
     following :
  a. Gas temperature at the compressor and turbine exit
 b. Back work ratio and
 c. Thermal efficiency.
 Assume pr1 = 1.386 and pr3 = 330.9. Where, pr
 is the relative pressure.             (16)
     
UNIT-V OTHER POWER PLANTS AND ECONOMICS OF POWER PLANTS 
PART A (2Marks) 
1. Mention the advantages and disadvantages of the geo – thermal power plant.
   
2. List out the advantages of tidal power plants over hydel power plant?
3. Mention the advantages and disadvantages of the OTEC power plant.
4. What is principle of OTEC?
     
5. What are the components of tidal power plant?
   
6. What is Heliostats?
7. What is the significance of incremental rate of a power plant?
8. What are the various operating cost of coal fired steam power plant?
9. Define “Diversity factor”
10. What is fixed cost and operating cost?
11. What is the significance of two part tariff and three part tariff?
 12. What are the major factors that decide the economics of power plants?
      
UNIT-V OTHER POWER PLANTS AND ECONOMICS OF POWER PLANTS
PART-B (16 Marks) 
1. Find the cost of generation per kW-hr from the following data.
      Capacity of the plant    - 120MW
      Capital cost      - Rs.1,200 per kW installed
      Interest and depreciation   - 10 %on capital
      Fuel consumption    - 1.2 kg / kW-hr.
      Fuel cost     - Rs. 40 tone
      Salaries, wages, repairs and maintenance  - 6, 00,000 / year
      The maximum demand is 80 MW and load factor is 40 %.               (16)
2. A central power station has annual factors as follows:
    Load factor   = 60%
    Capacity factor  = 40%
    Use factor   = 45%
    Power station has a maximum demand of 15,000kW.Determine; Annual energy production, Reserve capacity  
    over and above peak load, Hours per year not in service.              (16)
3. A power station has two 60MW units each running for 1500hours a year. The energy produced per year is
   700 x 10
6
 kW-hr. Calculate the plant load factor and plant use factor.              (16)
4. a) Sketch and explain the two pool tidal power plant               (16)
    b). Describe with help of neat sketch the working of a solar thermal receiver system plant and enumerate the
advantages and disadvantages of concentrating collectors over flat plate collectors.                       (16)
5. Discuss the different system used for generating power using geothermal energy.           (16)
6. What do you understand by power plant economics? Explain the fixed costs and operating costs of a power
station.                     (16)
7. What is meant by load factor and diversity factor?                (16)
8. What are the advantages and disadvantages of pumped storage system?            (16)
9.a). Explain working of hybrid OTEC system and what are the advantages?             (16)
   b). Enumerate and explain the various types of prime movers used in geothermal energy conversion systems. (8)
10. What are the elements which contribute to the cost of the electricity? and how can the cost power generation be
reduced?                    (16)
     

PRINCIPLES OF MANAGEMENT MG2351 ANNA UNIVERSITY QUESTION BANK


MG2351 PRINCIPLES OF MANAGEMENT   

QUESTION BANK 
UNIT 1 
2 Marks 
1. Define Management. 
2. Define Productivity. 
3. What are the functions of Managers? 
4. Write the different levels of Management. 
5. What is meant by social audit? 
6. What are the effective characteristics of Managers? 
7. Define Organization. 
8. Define effectiveness. 
9. Define efficiency. 
10. Give the main importance of management. 
16 Marks 
1. Explain briefly about the various functions of Management. 
2. What are the Henry Fayol’s 14 principles of management? Explain. 
3. Explain briefly about the different factors affecting the organizational 
environment. 
4. Explain the overall development of management thought. 
5. Management : Science or Art – Discuss. 
6. Compare Management and administration. 
7. Explain in detail about the different types of business organization. 
8. Write the characteristics and limitations of classical approach. 
9. What are the different responsibilities of managers in effective 
management? Explain. 
10. Discuss in detail about the recent trends in management concepts. 
UNIT 2 
2 Marks 
1. Define planning 
2. Define strategies. 
3. Define objectives and goals. 
4. What are the different types of plans? 
5. What is meant by policies? 
6. State the various steps in planning. 
7. Define MBO. 
8. Define Programs. 
9. Define TOWS matrix. 10. What do you understand by decision making? 
16 marks 
1. Explain the overall decision making process. 
2. Explain in detail about the various forecasting methods. 
3. Explain the process of MBO. 
4. Explain in detail about the TOWS matrix and SWOT analysis. 
5. Define policies with its types. Explain the planning premises with types. 
6. Explain the relationship of planning and controlling. 
7. Discuss in detail about the performance appraisal. 
8. Name the classifications of planning practices. 
9. Discuss the various factors affecting the decision making process. 
10. Explain briefly about the major kinds of strategies
                             UNIT 3 
                            2 Marks 
1. Define span of management. 
2. Give the main difference between the formal and informal 
organization. 
3. List out the steps involved in organizing. 
4. Discuss “Departmentation”. 
5. What are the different bases of departmentation?
6. Define decentralization. 
7. What is organization chart? 
8. Define staffing. 
9. What is meant by performance appraisal? 
10. What is human resource planning? 
16 Marks 
1. Explain briefly about the various types of Departmentation. 
2. Explain briefly about the various types of Organizational structures. 
3. Discuss the span of management/managerial effectiveness. 
4. Explain briefly about the overall selection process. 
5. Discuss briefly the various steps involved in organizing. 
6. List out the difference between Formal and Informal organization. 
7. List out the basic activities of human resource development. 
8. Name the types of centralization. 
9. Explain about the organizational culture. 
10. Explain about the human resource planning. 
UNIT 4 
2 Marks 
1. Define Leading. 
2. What are the difference between creativity and innovation? 
3. Define Motivation. 


4. What are the elements in the Maslow hierarchy of needs? 
5. Define Leadership. 6. List out the various styles of leadership with examples. 
7. Define Communication. 
8. What is meant by downward communication? 
9. Define Operations Research. 
10. What do you understand by JIT? 
16 Marks 
1. Explain briefly about three theories of Motivation. 
2. Explain in detail about the various functions of Leader. 
3. Discuss in detail about the Creativity and Innovation. 
4. Explain the various types of Leadership with its different styles. 
5. Discuss in detail about the process and types of Motivation. 
6. Explain the different characteristics of a Leader. 
7. List the tools and techniques used in operating management 
system. 
8. Explain briefly about MIS. 
9. Explain the different barriers and breakdowns of communication                 
process. 
10. Explain in detail about the different types of Budgets. 
11. Difference between Motivation and Satisfaction.
                                 Unit 5 
2 Marks

1. Define Controlling. 
2. What are the steps involved in the control process? 
3. Define budgeting. 
4. What is meant by MIS? 
5. What is international business? 
6. Define Globalisation. 
7. What is MNC? Give an example. 
8. Define Reporting. 
9. What are the benefits of IT in controlling? 
10. What do you mean by PERT? 
 16 Marks 
1. Explain the difference between Japanese and US Management. 
2. Explain in detail about MNCs. 
3. Discuss in detail about the techniques used for improving 
Productivity. 
4. Explain the term ‘Reporting”. 
5. Explain in detail the preventive control mechanism towards 
achieving a unified global management theory. 
6. Impact of IT in Management concept – Discuss. 
7. Discuss in briefly about the various functions of MNC. 
8. Explain in detail about the Globalization and Liberalization. 
9. Explain in detail reporting and ROI. 
10. Write down the management concept in Germany. 
11. Explain in detail the various forms of International business 
                                                 

PRODUCTION PLANNING AND CONTROL ANNA UNIVERSITY QUESTION BANK


PR2014  Production planning and  control 
Unit-I 
Part-A (Two marks) 
1. Define production planning and control. 
2. List the objectives of PPC. 
3. What are the phases of production planning and control? 
4. List various functions of PPC.        
5. What is production system? 
6. List the types of production system    
7. What are the objectives of product analysis?            
8. List the various factors that influence the product design. 
9. What is meant by standardization? 
10What is meant by simplification? 
      
Part-B 
1. What do you understand by production planning and control? Discuss its main elements.    (16) 
2. Enumerates the activities involved in the production planning and control function under theConvenient points.         (16) 
3. Explain different types of production systems. Differentiate between them.                       (16) 
4. Explain the functional and operational aspects of product design.    (16) 
5. Explain in detail the production aspects of product design.     (16) 
                                                       
Unit –II  
Part-A 
1. What is meant by work study? 
2. List the objectives of work study? 
4. List the objectives of method study. 
5. What is a Process chart? 
6. List the types of process chart. 
7. What is flow diagram? 
            
8. What is meant by work measurement? 
  
9. List the techniques of work measurement. 
10. What is meant by work sampling? 
Part-B  
1. Explain briefly the various steps involved in conducting the work study.                          (16) 
2. State and explain in brief the steps involved in conducting the method study procedure.  (16) 
3. Briefly explain  the various techniques of work measurement.    (16) 
4. Define time study. List down the various steps in conducting a stopwatch time study.        (16) 
5. Explain the following terms 
a) Work sampling                                                                        
b) Synthetic data                                                                                   
c)  PMTS                                                                                               
Unit-III (Product planning and process planning) 
Part-A 
1. What are steps involved in a product planning process? 
2. Define value analysis.            
3.  List the types of economic value. 
4. Define Process planning.           
5. What are the different steps or specific activities involved in process planning? 
6. Write the general approaches to process planning. 
7. What is machine loading? 
8. What is balancing? 
9. What are the factors affecting process planning?
10. What are steps involved in the value analysis? PR1014  Production planning and  control 


PART-B 
1. What is value analysis? Describe the basic steps involved in the value analysis.      (16) 
2. Explain the importance of process planning with reference to production control. Discuss the activities in  
   process planning               (16) 
3. Compare and contrast the manual process planning with CAPP.                                                       (16) 
4. What is meant by machine loading? Also enumerate the various methods to the cycle time to a minimum.(16) 
5. What do you mean by machine balancing? Also explain the effect of balancing on number of machines  
    required with an illustration.              (16) 
6. Write short notes on analysis of process capacities in a multiproduct system.                                            (16) 
Unit-IV (Production scheduling) 
Part-A  
1. What is Scheduling? 
2. List out types of scheduling techniques. 
3. Define master scheduling. 
4. What are basic scheduling problems? 
5. Define Line of balance. 
6. Write out various charts used in LOB. 
7. Define Material requirements planning.        
8. Define dispatching.       
9. Define Expediting. 
10. Define Priority sequencing. 
              . 
Part-B
  


1.  Explain the procedure by which scheduling 2 jobs in m machines can be done with suitabexample        (16) 
2.  Write short notes on:      
 a) Aggregate run-out method of batch scheduling.                                     
 b) Line of balance method        (8) 
3.  Discuss the concepts, inputs, characteristics, working, outputs, and benefits of MRP.                        (16) 
4. What are the functions of dispatching? Explain the various documents raised             (16) 
5. What is progressing?  Explain its function? Also write short notes on ‘recording progresses’.                 (16) 
  
Unit –V (Inventory control and Recent trends in PPC) 
Part-A
1. Define Inventory control.           
2. What are the types of inventory? 
3. What are the main cost associated with inventory?       
4. What are the types of inventory system?           
5. What is meant by selective inventory control? 
6. What is JIT?                
7. List out any six selective inventory control techniques. 
8. What is ERP? 
9. What is MRP II? 
10. Differentiate between pull system and push system. 
                   
Part-B (16 marks) 
1. What do you understand by inventory control? Explain the purpose of maintaining inventory in any production unit.(16) 
2. What is EOQ? Derive the expression for EOQ when the demand of the item is uniform, the production rate is infinite and no stock-outs are allowed.(16) 
3.a) Explain the terms: lead time, stock out, buffer stock, inventory carrying cost.                                    (8) 
     b) Distinguish between in-process inventory, safety stock inventory and seasonal inventory                  (8) 
4.Describe the fixed period quantity inventory model? Also compare and contrast P-system with Q-system (16) 
  
5.What is selective control of inventory and explain various selective control techniques.           (16) 
6 What is ABC analysis? Explain its significance in the inventory control with suitable example.            (16) 
                        

MAINTENANCE ENGINEERING ANNA UNIVERSITY QUESTION BANK


Maintenance Engineering IMPORTANT QUESTIONS,QUESTION BANK


                  ME2019 - MAINTENANCE ENGINEERING 
UNIT- I
PRINCIPLES AND PRACTICES OF MAINTENANCE PLANNING
PART-A (2 Marks)
01. Define maintenance.
02. Define reliability.
03. State the benefits of reliability analysis in industries.
04. Define failure rate.
05. What is Mean Failure Rate?T
06. Define Mean Time to Failure.
07. What is Mean Time Between Failures (MTBF)?
08. Define Mean Time to Repair (MTTR).
09. Define Maintenance Action Rate.
10. Define Failure Density.
PART-B (16 Marks)
1. What do you mean by maintenance job planning? Discuss various steps of
maintenance job planning. (16)
2. What is long term plan? Discuss few long term planning? . (16)
3. What are the objectives of maintenance organization and what different types of
organizations are in use in Indian industries? . (16)
4. What is equipment availability and what are the three basic approaches to define and
quantity availability. . (16)
5. Explain MTBS, MTBF, MTTF, MTTR and failure rate? . (16)
6. Explain briefly different types and classes of maintenance cost. (16)
UNIT-II
MAINTENANCE POLICIES – PREVENTIVE MAINTENANCE
PART-A
01. What is meant by Breakdown maintenance approach?
02. Classify various planned maintenance approach.
03. Define Corrective maintenance approach.
04. What is meant by preventive maintenance approach?
05. List out the objectives of Corrective maintenance.
06. What is meant by Predictive Maintenance?
07. List out some condition based monitoring techniques and briefly discuss on them.
08. What is meant by Reliability Centered Maintenance (RCM)?
09. What is Total Productive Maintenance (TPM) and discuss it's similarities with TQM?
10. What is, meant by Reliability Centered Maintenance (RCM)?
11. What does Safety, Health and Environment pillar of TPM aims at?
PART-B (16 Marks)
1. What do you understand by maintenance categories? Explain common types and explain
the basis of their selection. .(16)
2. What are all the steps involved in preventive maintenance why preventive maintenance is
better than reactive maintenance. . (16)
3. Distinguish between fixed time maintenance and connect based maintenance. Give the
merits and demerits. . (16)
4. Briefly explain the procedure for TPM. .(16)
5. Explain the repair cycle of metallic materials. . (16)
6. What are the functions of lubrication and gives the tips on lubrication. (16)
UNIT-III

CONDITION MONOTORING
PART-A 
1. What is equipment health monitoring?
2. List down the factors for increasing the demand condition monitoring.
3. List down the key features of condition monitoring.
4. Write down the basic steps in condition monitoring.
5. What are three types of condition monitoring?
6. State the advantages and disadvantages of condition monitoring.
7. Mention the various costs involved in costing of condition monitoring mainly.
8. State the methods of measuring vibration.
9. Describe briefly pistol thermometer.
10. Name the types of pyrometers.
11. Mention title applications of bimetallic strip.
12. List down the features of RTD.
13. State the applications and limitations of thermisters.
PART-B (16 Marks)
1. What is condition monitoring and explain condition monitoring What type of condition
monitoring are normally used in industry. (16)
2. What is leakage monitoring? Explain some of the leakage mediums used for condition
monitoring. (16)


3. What is wear debris analysis what are the three wear debris analysis techniques commonly
used and compare their performance and uses? . (16)
4. Briefly explain the cost comparison with and without condition monitoring. (16)
5. What is thermal monitoring and what thermal monitoring are used in industries Explain
principle and uses of thermograph .(16)
6. Briefly explain various methods and instruments for condition monitoring. (16)
UNIT-IV
REPAIR METHODS FOR BASIC MACHINE ELEMENT
PART-A 
01. What are called Age- Dependent Failures?
02. What are Unpredictable Failures? .t
03. What are Running-In-Failures?
04. Define Fault tree diagrams.
05. What are the benefits of Fault Tree Diagram?
06. Differentiate between Fault tree diagrams and Reliability Block Diagrams.
07. Write down the capabilities of Fault Tree Diagram.
08. Define Event Tree Analysis (ETA).
09. What is the aim of Event .Tree Analysis (ETA)?
10. Define Root Cause Analysis (RCA.)
PART-B (16 Marks)
1. Briefly explain the repair methods of machine beds. . (16)
2. Explain the repair method of worn-out bearing. . (16)
3. Explain the repair methods of slide ways and spindle. . (16)
4. Briefly explain the procedure for the repair cycle of gears and lead screw. .(16)
5. What is failure analysis? Explain their development. .(16)
6. Explain the logical fault location methods. . (16)
UNIT-V
REPARE METHODS FOR MATERIAL HANDLING EQUIPMENTS
PART-A 
1. State few examples of material handling equipments.
2. State the benefits of proper maintenance of material handling equipments.
3. State the major stages in preventive maintenance of material handling equipments.
4. State the various phases present in a good maintenance management system.
5. Define the term Computerized Maintenance Management System (CMMS).
6. State the objectives of CMMS.
7. State the advantages of CMMS.
8. Define work order systems.
9. Mention the use of work order backlog.
10. What is work permit?
11. What is job card?
12. State titer benefits of job card system.
13. State the role of equipment records in maintenance.
PART-B (16 Marks)
1. Explain repair methods of conveyors. . (16)
2. Explain the repair methods for crane and hydraulic lift. . (16)
3. Briefly explain the equipment record. . (16)
4. Explain job order system. (16)
5. Explain various hydraulic and pneumatic equipment used in material handling purpose.
How to maintain it. . (16)
6. Explain the maintenance procedure for various small equipment for material handling
purpose like chain block, chain, rope, trolley and R.G.B. (16)

ENGINEERING ECONOMICS AND COST ANALYSIS(EECA) MA2451 ANNA UNIVERSITY QUESTION BANK


MA2451 ENGINEERING ECONOMICS AND COST ANALYSIS


UNITI - INTRODUCTION TO ECONOMICS

PART – A (2MARKS)
1. Define Economics?
2. Write any four goals of economy?
3. Explain law of supply and demand?
4. Write about factors in fluency demand?
5. Write about factors in fluency supply?
6. Define Economic efficiency?
7. Define engineering economics?
8. Define marginal cost?
9. Define marginal revenue?
10. Define sunk cost?
11. Define break even analysis?
12. Define P/V ratio?
13. Define processes planning?


PART –B


1. Explain in detail about flow in an economy? (16)
2. Explain the concept of law of supply and demand with suitable example? (16)
3. Briefly explain about element of cost and its classification? (16)
4. Explain the concept of break even analysis with clear diagram? (16)
5. Briefly explain about process planning and its various types? (16)
6. (a) (i)Bring out the scope of engineering economics with appropriate examples (8)
(ii) A concern manufacturing a domestic appliance proposes to put up an improved model in market and the
selling price for the same to be decided .The selling price will cover the overheads and ensure the proportion of
profit on sales as before.The material in the new model will cost Rs 4000 and the direct wages would be Rs
2000.Following figures relate to the previous year:
Stock material on 1st April 2006 Rs 2,00,000 (8)
Stock material on 31 stMarch 2007 Rs 2,20,000
Purchase of raw material in this period Rs 5,20,000
Manufacturing wages Rs 1,60,000
Works overhead Rs 80,000
Administrative and sales overhead Rs 80,000
Sales during the year Rs 9,02,000
Suggest a selling price .Overhead absorption base on % of direct labour.
7. (i) Explain the process of material selection in new product development (8)
(ii) From the following details ,calculate the break even point .What will be the selling price per unit if break
even point to be brought to 900 units:
Variable cost per units Rs 750 (8)
Fixed expenses Rs 27,00,000
Selling price per unit Rs 1,000
UNITII - VALUE ENGINEERING
PART – A (2 MARKS)
1.What are the approaches available for make or buy decision?
2. Define value engineering?
3. Write any four aims of value engineering?
4. Write the basic steps of value engineering?
5. Define time value of money?
6. Define single –payment compound amount method?
7. Define single payment present worth factor?
8. Define equal payment series sinking fund factor method?
9. Define equal payment series present worth factor method?
10. Define equal payment series capital recovery factor method?
PART –B
1. Explain in details about criteria for make or buy decision and its approaches? (Also see
problems) (16)
2. Problems in single –payment compound amount method?
(16)
3. Problems in single payment present worth factor?
(16)
4. Problems in equal payment series sinking fund factor method?
(16)
5. Problems in equal payment series present worth factor method?
(16)
6. Problems in equal payment series capital recovery factor method?
(16)
7. ( i) What is uniform gradient conversion?Illustrate with an example. (8)
(ii)What is value engineering ?With suitable example ,explain the various phases of value (8)
engineering job plan
(a) An engineer is considering two types of pressure sensors for a low pressure steam line.The costs are shown
below.Which should be selected based on a present worth comparison at an interest rate of 16 % per year?
Type X Type Y
First cost Rs 76,000 Rs 1,29,000
Maintenance cost/year 12,000 9000
Salvage value 0 20,000
life,years 2 4
UNIT III - CASH FLOW
PART – A
1. Write down the techniques for comparing the worthiness of the project?
2. Define present worth method( Revenue dominated cash flow diagram)
3. Define future worth method( Revenue dominated cash flow diagram)
4. Define future worth method(cash dominated cash flow diagram)
5. Define Annual equivalent method(Revenue dominated cash flow diagram)
6. Define Annual equivalent method(cost dominated cash flow diagram)
7. Define rate of return method?


8. What is annual equivalent method of comparing alternatives?
9. What is revenue dominated cash flow?
10 What is the economic life of a project?
11 What are the various methods available in decision making in selection of
Alternative in economic analysis of investment?
PART – B
1. Problems in present worth method (Revenue dominated cash flow diagram) (16)
2. Problems in future worth method (Revenue dominated cash flow diagram) (16)
3. Problems in Annual equivalent method (Revenue dominated cash flow diagram) (16)
4. Problems in Annual equivalent method (cost dominated cash flow diagram) (16)
5. Problems in rate of return method (16)
6.. A company that manufactures amplified transducers is trying to divide between the machines shown
below.Compare them on the basis of annual worth using an interest rate of 15
5 pr year
Variable speed Dual speed
First cost,Rs 4,50,000 2,40,000
Annual operating cost Rs 3,10,000 3,50,000
Overhaul in years 2 and 4 ,Rs - 60,000
Overhaul in years 5 ,Rs 1,20,000 -
Salvage value ,Rs 1,00,000 80,000
Life ,years 8 6
UNIT IV - REPLACEMENT AMD MAINTAINENCE ANALYSES
PART – A 
1. Write the different types of maintenance?
2. Define prevention maintenance (PM)?
3. Define Break down maintenance ?
4. Write the different types of Replacement?
5. Define economic life of an asset?
6. What are the types of Replacement policies?
7. What are the types of replacement problem?
PART – B
1. Problems in Maintenance (16)
2. Problems in types of Replacement? (16)
3. Problems in finding the economic life of an asset? (16)
4. Problems in Capital recovery with return (16)
5. Problems in Simple probabilistic model for assets which fail completely (16)
6.(i) What is defender challenger concept in replacement ?Illustrate with an example. (8)
(ii)Explain the causes for replacement of assets ,in detail with examples (8)
7. Initial cost of a machine is Rs 6,00,000, with other details as below: (8)
Year 1 2 3 4 5
Resale value (Rs) 4,20,000 3,00,000 2,04,000 1,44,000 96,500
Cost of spares (Rs) 40,000 42,700 48,800 57,000 68,000
Cost of labour (Rs) 1,40,000 1,60,000 1,80,000 2,10,00 0 2,50,000
Determine the optimum period for replacement of the machine.
UNIT-5
DEPRECIATION
PART – A 
1. Define Depreciation?
2. What are the types of Depreciation?
3. Define Straight line method of depreciation?
4. Define Declining balance method of depreciation?
5. Define Sum of the year-digits method of depreciation?
6. Define sinking fund method of depreciation?
7. Define Service output method of depreciation?
8. Define inflation?
9. List the reasons for inflation?
10. List the effect of inflation ?
PART – B
1. Problems in different types of depreciation methods (16)
2. Problems in inflation adjusted decision (16)
3. Problems in finding the economic life of an asset (16)
4. (a) (i) How to adjust inflation in evaluating public alternatives? Explain the procedure. (8)
(ii)Find the depreciation annuity by annuity method after three years,when the initial cost of the machine is Rs
8,00,000 an salvage value at the end of three years is Rs 4,00,000.Rate of interest 10 % (8)
5. (i) What is economic life of an asset?How to determine it ?Explain
(ii) The cost of a machine is Rs 1,60,000 and its scrap value is Rs 40,000 .Estimate life 5 years .Using sum of
years digits method ,determine depreciation charges for each year.