Measurements and Instrumentation 2012 Important Questions

[Srini]

Anna University
Measurements and Instrumentation Important Questions 2012

subject Code : CS2351
Subject Name : Measurements and Instrumentation

Unit I

1. With neat diagram explain the construction, working, types and advantages
,disadvantages of PMMI instrument

2. Discuss different type of Standards of measurement. Classify and explain the
different type of Standards of measurement.

3. With neat diagram explain the construction, working, torque equation and
advantages ,disadvantages of PMMC instrument.

4. Discuss the different type of errors and standard in the measurements

5. Explain how to determine frequency using wein Bridge with the neat
diagram

Unit II

1. Describe the working of a digital storage oscilloscope with a neat sketch and
how is it different from a analog storage oscilloscope

2. Explain the block schematic of a simple oscilloscope.

3. Explain the working Principle of Q meter. how Q meter used for the
measurements

4. With neat diagram explain the construction working ,toque equation and
advantages of PMMC instrument

5. Explain the working principle of a vector Voltmeter with the help of a neat
block diagram.

Unit III

1. Draw and explain the block diagram of heterodyne Frequency Generator ,
sweep frequency generator

2. Define harmonic distortion and total harmonic distortion. Explain the parts
of a fundamental suppression HD analyzer, its working and its advantages

3. Explain the different method of frequency synthesis with a neat diagram.

4. Explain with the help block diagram, fundamental suppression distortion
analyzer. Explain two modes of operation.

Unit IV

1. Draw the block diagram of a successive approximation type and integrating
type of DVM and Explain

2. Explain with block diagram, the operation of ramp type DVM and Single slope
ADC

3. Explain universal counters with the block diagram?

4. Explain digital Millimeter

5. Explain Virtual instruments. (b) Explain Fully automatic digital instruments

Unit V

1. Explain computer controlled instrumentation for audio and radio testing.

2. With a neat block diagram explain OPTICAL POWER METER, Auto ranging
power meter, OTDR

3. Explain IEEE 488 bus system

4. With the help of block diagram explain the data acquisition system and Explain the micro processor based DAS