Anna University
EE2201 Measurements and Instrumentation
Previous Year Anna University 2 Marks Questions
3rd Semester
Regulation 2008
Unit I
1.
What are the static characteristics of measurement system? (AUC Apr/May
2010)
2.
What is the significance of calibration? (AUC Apr/May 2010)
3.
Define static characteristics of an instrument? (AUC Nov/Dec 2010)
4.
What is meant by absolute error of an instrument? (AUC Nov/Dec 2010)
5.
Define dynamic characteristics of an instrument? (AUC Nov/Dec 2008)
6.
Write down the different standards of an instrument? (AUC Nov/Dec 2008)
7.
Differentiate Resolution from Threshold. (AUC Nov/Dec 2009)
8. How are the absolute and
relative errors expressed mathematically? (AUC Nov/Dec 2009)
Unit II
1.
Write any four types of analog ammeter used for instrumentation. (AUC
Nov/Dec 2010)
2. List out the methods used for
measurement of iron loss in ferromagnetic materials. (AUC Nov/Dec 2010)
3.
Why are ordinary wattcmeters not suitable for low power factor meters? (AUC
Nov/Dec 2011)
4.
What is phase sequence indicator? (AUC Nov/Dec 2011)
5.
State the purpose of shunts in voltmeters. (AUC Nov/Dec 2008)
6.
Classify the different types of iron losses. (AUC Nov/Dec 2008)
7.
What is the essential torques required for operating an instrument? (AUC
Nov/Dec 2009)
8. What is phase meter? Mention
the types of phase meter. (AUC Nov/Dec 2009)
Unit III
1. What is the use of potentiometer in the field of
electrical measurement? (AUC Apr/May 2010)
2.
What is the need for screening? (AUC
Apr/May 2010)
3.
List the applications of DC potentiometers. (AUC Nov/Dec 2011)
4.
What are parasitic voltages and how
they are eliminated? (AUC Nov/Dec 2011)
5.
List the application of AC bridges. (AUC
Nov/Dec 2008)
6.
Enumerate the principle of grounding.
(AUC Nov/Dec 2008)
7.
What is an isolation amplifier? Where is it used? (AUC Nov/Dec 2009)
8. State the condition for balance in a Wheatstone
bridge. (AUC Nov/Dec 2009)
Unit IV
1. Give the functional difference between Strip chart
recorder and X-Y recorder. (AUC Apr/May 2010)
2.
What are the merits and demerits of
Digital Storage Oscilloscope? (AUC Apr/May 2010)
3.
What is the effect of post defect
acceleration in a CRT? (AUC Nov/Dec 2010)
4.
Differentiate between LED and LCD. (AUC Nov/Dec 2010)
5.
List any two storage devices. (AUC
Nov/Dec 2008)
6.
Differentiate the functions of
printer and plotter. (AUC Nov/Dec 2008)
7.
What are the types of printers
according to printing methodology? (AUC Nov/Dec 2009)
8. What are the main parts of
the cathode ray tube? (AUC Nov/Dec 2009)
Unit V
1.
Define inverse transducers with
example. (AUC Apr/May 2010)
2.
Mention any four types of Analog to Digital converter. (AUC Apr/May 2010)
3.
What are the classifications of
encoder? (AUC Nov/Dec 2010)
4.
What is the need for sample and hold
circuit in A/D converter? (AUC Nov/Dec 2010)
5.
Define transducer? (AUC Nov/Dec
2008)
6.
Give any two applications of smart
sensors. (AUC Nov/Dec 2008)
7.
Differentiate sensor from transducer.
(AUC Nov/Dec 2009)
8.
Draw the block diagram for 4 bit
Analog to Digital Converter. (AUC Nov/Dec 2009)