Friday, May 18, 2012

114405 MANUFACTURING TECHNOLOGY II ANNA UNIVERSITY EXAMINATIONS MAY/JUNE 2012 IMPORTANT QUESTIONS


ANNA UNIVERSITY EXAMINATIONS
MAY/JUNE 2012 IMPORTANT QUESTIONS
ME2252 — MANUFACTURING TECHNOLOGY — II

1.What is orthogonal rake system? Show the ORS of tool analysis with the help of  neat diagram
2.Explain the geometry of single point cutting tool with suitable diagrams
3.What are the standard angles of cutting tool? Illustrate with an example
4.What is the tool life equation and state the factor affecting the tool life.
5.What are the various methods available for taper turning in a lathe?
6.Discuss the tooling layout for the production of a Hexagonal nut in Turret lathe.
7.Briefly explain the principle of working of the sliding head type single spindle automatic machine.
8.List various type of feed mechanisms and explain briefly about tumbler gear reversing mechanism with a sketch
9.Explain Simple indexing, Compound indexing and differential indexing with suitable example.
10.Explain the twist drill nomenclature and define various elements of twist drill
11.Explain the hydraulic drive of a horizondal shaper with neat sketches.
12.With a simple sketch, explain the working of the crank and slotted link quick return motion mechanism used in shaper. 
13.Explain the external cylindrical grinding process and surface grinding process.
14.Explain   with   neat   sketches   the   following   operations:  Honing, Lapping,  Superfinishing and buffering
15.Compare gear shaping and gear hobbing, giving the process and product  requirements


16.Explain wheel truing and dressing.
17.Describe  the  main  features  of  CNC  machines which  distinguish  them  from conventional machinetools.  
18.explain a turning centre and mention its superiority over the CNC lathe
19.Define CNC and DNC. With a help of a diagram explain the working of NC  machine tool. 
20.What is the difference between positioning machines and contouring  machines

EE2353 HIGH VOLTAGE ENGINEERING ANNA UNIVERSITY EXAMINATION MAY/JUNE 2012 IMPORTANT QUESTIONS


Anna University Examination
May/June 2012 important Questions
EE2353 - High Voltage Engineering

Unit I
1.   Discuss the various types of protective devices used in transmission lines.
2.   Explain the different methods employed for lightning protection of overhead lines.
3.   Explain the mechanism of lightning strokes inducing high over voltages on transmission lines
4.   Explain the causes for power frequency over voltages in power systems.

Unit II
1.   What are the factors that influence conduction in pure liquid dielectrics and in commercial liquid dielectrics?
2.   Describe the mechanism of short term breakdown of composite insulation.
3.   Derive an expression for the growth of current growth due to Townsend’s primary ionization.
4.   Discuss the current growth phenomenon in a gas subjected to uniform and non-uniform fields
5.   State why the very intrinsic strength of solid dielectric is not fully realized in practice. Explain in detail any one mechanism of breakdown in solid dielectrics.

Unit III

1.   Explain the different schemes of transformer connection for producing very high AC voltages.
2.   Explain the Marx circuit arrangement for multistage impulse generators. How is the basic arrangements modified to accommodate the wave time control.
3.   Discuss the principle of operation of Vande graaff Generator with neat diagram
4.   Explain the tripping and control of impulse generators.
Unit IV
1.   What are the different types of resistive shunts used for impulse current measurements? Discuss their characteristics and limitations
2.   explain the sphere gap arrangement method of high voltage measurement and give the factors influencing the measurement with neat diagram
3.   explain the methods used for the measurement of high voltages and  high currents
4.   Explain the principle and construction of an electrostatic voltmeter for very high voltages

Unit V
1.   Draw the cross sectional view of a non-linear resistor lightning arrester and explain its operation
2.   Explain the insulation coordination in EHV and UHV systems
3.   Explain the power frequency, impulse voltage and thermal test conducted on bushings.
4.   Discuss the dielectric power factor test and partial discharge test conducted on high voltage cables

CS2354 ADVANCED COMPUTER ARCHITECTURE MAY/JUNE 2012 ANNA UNIVERSITY IMPORTANT QUESTIONS



ANNA UNIVERSITY EXAMINATION
MAY/JUNE 2012 IMPORTANT QUESTIONS
CS2354 -ADVANCED COMPUTER ARCHITECTURE 
Unit I

1.What is instruction-level parallelism? Explain in details about the various dependences caused in ILP?
2.Explain in details about static branch prediction and dynamic branch prediction 
3.Explain the techniques to overcome data hazards with dynamic scheduling?
4. Explain in detail the hardware based speculation for a MIPS processor

Unit II

5.Explain in detail how compiler support can be used to increase the amount of parallelism that can be exploited in a program.
6.Explain the limitations of ILP?
7.Explain Intel IA-64 Architecture in detail with suitable reference to Itanium processor
8. Explain how hardware supports for exposing more parallelism at compile time?

Unit III

9.Explain in detail the symmetric shared memory architectures and explain the  cache coherence problem in detail
10. Explain in detail the distributed shared memory architecture highlighting the directory based cache coherence protocol.  Substantiate your explanation with suitable examples and state diagrams
11. Define synchronization and explain the different mechanisms employed for synchronization among processors?


Unit IV

12. Discuss in detail the different levels of RAID
13. How does one reduce cache miss penalty and miss rate? Explain.
14. Discuss Reliability, Availability and Dependability for storage devices in detail
15. What are the ways available to measure the I/O performance? Explain each of them in detail.
16. Discuss in detail about type of storage devices

UNIT V

17 Explain in detail about CMP architecture and SMT architecture?
18 Explain in detail about IBM Cell Processor
19 Discuss about Intel multi-core architecture.
20 Explain in detail about software and hardware multithreading techniques? 

EE2032 - HIGH VOLTAGE DIRECT CURRENT TRANSMISSION MAY/JUNE 2012 ANNA UNIVERSITY IMPORTANT QUESTIONS


ANNA UNIVERSITY EXAMINATION
APRIL/MAY 2012 IMPORTANT QUESTIONS
EE2032:HIGH VOLTAGE DIRECT CURRENT TRANSMISSION

1.Explain in detail about the various components of a HVDC transmission system.
2.Compare the AC and DC transmission and mention the applications of DC transmission.
3.Explain the complete characteristics of converter as Rectifier and inverter.
4.Explain in detail about the choice of Converter configuration with valve rating and transformer rating.
5.Briefly explain the modern trends in HVDC transmission system.
6. Explain the principle of DC link control and the converter control basic characteristics.
7.Sketch the hierarchical control structure of a DC link and also explain the two different basic schemes and give their drawbacks.
8. Explain the generation of Harmonics in HVDC system
9.Explain briefly about the power reversal in HVDC
10.Explain detail about the analysis of single and double tuned AC filters and write the design criteria for AC filters.
11 Explain in detail about the passive and active DC filters with the design criteria.
12.Explain briefly about the voltage dependent current limit and draw its V-I characteristics.
13. Fifth Unit  Important questions is not available