Monday, November 19, 2012

Manufacturing Technology-I ME2201 Anna University, Chennai Nov/Dec 2012 Examinations Important Questions

Anna University, Chennai Nov/Dec 2012 Examinations Important Questions
Manufacturing Technology-I ME2201
Unit I-V
1.     What are the pattern allowances? Explain briefly each
2.     Explain briefly the various moulding method used in foundries
3.     What are the defects in casting? Explain the cause for these defects
4.     Explain the CO2 process of core making state its advantages and applications
5.     Explain in detail about various sand testing methods
6.     Explain Thermit welding and give their applications
7.      Describe and explain Ultrasonic welding and give their applications
8.     Distinguish between brazing, soldering and welding
9.     Describe plasma Arc welding and given their applications
10.Define drawing and discuss the classification with neat sketch
11. Discuss the various forging operations
12.Explain the tube piercing process
13. Explain briefly with neat sketches direct and indirect extrusion process
14.Briefly explain about magnetic pulse forming and its application.
15. Describe various types of bending operations with its neat sketches
16.Explain the power spinning process with a neat sketch give their applications
17. Explain the rubber forming process with a neat sketch
18.Briefly explain about Explosive forming process
19.with neat sketch working principle of reciprocating screw injection moulding machine
20.            Describe with neat sketches various steps involved in rotational moulding. State its application.
21.Explain the working principles of
a. injection moulding
b. blow moulding
c. rotational moulding
d. film blowing
   22. What is thermoforming process in detail

EE2202/ Electromagnetic Theory Anna University Nov/Dec 2012 Important Questions Version - 3

Anna University, Chennai Nov/Dec 2012 Examinations Important Questions
EE2202/ Electromagnetic Theory
Unit I-V

1.     Prove that divergence of a curl of a vector is zero ,using stoke’s theorem
2.     State and prove divergence theorem
3.     Using Divergence theorem see problems
4.     Explain three co-ordinate system.
5.     State and Prove Gauss law
6.     Find the electric field intensity and density for coaxial cable using gauss’s law
7.      Derive the expression for Magnetic vector potential
8.     Derive the expression for energy density in electrostatic field
9.     Using the concept of magnetic vector potential, derive Biot-Savart’s law
10.Derive the expression for energy density in a magnetic field
11. Derive an expression for the force between two any straight parallel current carrying conductors
12.Derive the expression for coefficient of coupling in terms of mutual and self inductances of the coils.
13. State and explain amperes law.
14.derive the Maxwell’s equations in differential and integral forms
15. A parallel plate capacitor has an electrode area of 0.02m2. the Plates are separated by a distance of 0.06mm. A voltage of 250 sin250t is applied across the plates. Calculate its displacement current density. Assume a dielectric with relative permittivity of 10.
16.By means of simple RLC series circuit, explain the relationship between the field theory and circuit theory. Also explain the limitations of circuit theory.
17. Derive the electromagnetic wave equation in phasor form.
18.Explain the reflection of plane waves by a perfect dielectric
19.Derive suitable relations for integral and point forms of poynting theorem.
20.            Explain poynting vector and power flow in electromagnetic fields

Analog and Digital Communication CS2204 Anna University Nov/Dec 2012 Important Questions

Anna University, Chennai Nov/Dec 2012 Examinations Important Questions
Analog and Digital Communication CS2204
Unit I-V
1.     Derive an expression for a single tone FM signal and draw its frequency spectrum
2.     Define amplitude modulation. Drive the relation between the total transmitted power and  carrier power in an AM system when several frequencies simultaneously modulated a carrier
3.     Derive the expression for a Amplitude Modulated wave and draw its spectrum.         
4.     Draw the block diagram of Super Heterodyne receiver and explain the function of each block
5.     Briefly describe the method of deriving wideband FM signal
6.     Compare AM and FM with special reference to spectrum, power requirements, sidebands and bandwidth required
7.      Explain quadrature amplitude modulation with neat diagrams
8.     Discuss the QPSK transmission system with neat diagrams
9.     Describe with neat diagram the concept of QAM modulator. Draw its constellation diagram.
10.What is known as Binary Phase Shift Keying? Discuss in detail the BPSK  transmitter and receiver.
11. Describe with neat diagram the operation of a QPSK modulator. Draw its phasor and constellation diagram
12.Draw the block diagram of PCM transmitter and receiver and explain its operation
13. Draw the block diagram of delta modulation system and explain
14.Explain the principle of sampling and quantization in digital communication
15. What are the types of sampling? Explain the operation of Sample and Hold Circuit
16.Explain the detail about the parallel interface with control signals and timing information
17. Explain the different types of data transmission
18.How are errors detected and corrected in data communication
19.Explain how vertical, longitudinal and cyclic redundancy checking is used for detecting the occurrence of errors in data transmission
20.           Explain error detection and error correction in data communication
21.With a block diagram explain DS spread spectrum with coherent  Binary PSK
22.           Compare TDMA,FDMA CSMA multiple access techniques
23.Explain fast and slow frequency hopping techniques used in spread spectrum
24.           Explain the working of multi pulse excited LPC and code excited LPC


Anna University, Chennai Nov/Dec 2012 Examinations Important Questions
Unit I-V
1.     Draw the block diagram of a generalized measurement system and explain the various stages with an example
2.     Explain the following terms with suitable examples.
(1) Readability, (2) Repeatability, (3) Calibration and (4) Dynamic Response
3.     Briefly discuss on calibration of temperature measuring devices with suitable examples
4.     Describe the different types of errors in measurements and the causes
5.     Explain, with a neat sketch, the construction and working of a Tool Maker's Microscope
6.     Explain with the help of neat sketches, the principle and construction of an auto-collimator
7.      Explain, with a sketch, the construction and working of Solex Pneumatic Comparator
8.     Describe a method of determining an absolute length of slip gauges using interferometer
9.     Explain the construction and working of floating carriage micrometer
10.Explain the construction and working of Gear tooth vernier 
11. Define various terminologies related with screw thread
12.Derive the formula for measuring the effective diameter of a screw thread by three-wire method
13. Describe the construction and working of a micrometer
14.With a neat sketch explain the working of laser interferometer
15. Describe the construction and operation of a coordinate measuring machine
16.Explain the procedure to be used in measurement of various dimensions of a typical component using a cantilever type CMM
17. Explain the laser telemetric system with a suitable diagram
18.Explain the principle of operation of a hydraulic dynamometer
19.Using a sketch, explain the working of an optical pyrometer
20.         Explain the working of bimetallic strip type temperature measurement system
21.Describe any two types of flow measurement equipment