Measurement And Instrumentation MCQ Questions & Answers

21

When the pointer of an indicating instrument comes to rest in the final deflected position

A) only controlling torque act B) only deflecting torque act C) both controlling and deflecting torque act D) only damping torque act

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

22

The resolution of potentiometer must be:

A) Infinite B) Very high C) Zero D) Medium

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

23

Match List-I with List-II and select the correct answer using the options given below the lists:

List-I (Instruments)	List-II (Measurement in which the instrument is used)
a. Lock-in amplifier	1. Patient monitoring
b. Sampling oscilloscope	2. Overcoming ground loop problem
c. Isolation amplifier	3. Phase difference between two signals
d. Strip-chart recorder	4. Signal recovery form noise
	5. Observing very high frequency signals

A) a-1, b-3, c-5, d-4 B) a-2, b-1, c-3, d-4 C) a-4, b-5, c-2, d-1 D) a-3, b-4, c-1, d-2

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

24

Hall-effect pickup is used for the measurement of

A) Electron concentration in a semiconductor B) Current through a metal C) Magnetic flux D) All the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

25

Consider the following statements regarding the use of electrodynamometer type indicating instruments:
It is used for measuring
1. direct current
2. alternating current
3. direct voltage
4. alternating voltage
Of these statements

A) 1 and 2 are correct B) 3 and 4 are correct C) 1 and 3 are correct D) 1, 2, 3 and 4 are correct

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

26

The value of Q in terms of conductance G and susceptance B of the circuit is define as:

A) $$\frac{G}{B}$$ B) $$\frac{B}{G}$$ C) $$\frac{{\left| G \right|}}{B}$$ D) $$\frac{G}{{\left| B \right|}}$$

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

27

Hydraulic load cells are available which have a maximum capacity of

A) 10 kN B) 50 kN C) 10 MN D) 50 MN

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

28

In which of the following ways can zero drift be reduced in the pH meter?

A) Using filter B) Giving zero adjustment arrangement C) Keeping the input impedance high D) Using balanced and differential amplifiers

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

29

The bandwidth of a digitally recorded signal primarily depends upon

A) The physical properties of the system components processing the signal B) the frequency at which the signal is sampled C) the frequency of the clock signal that is used to encode binary values responding the signal D) the frequency of the noise affecting signal quality

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

30

In data acquisition . . . . . . . . block is used for frequency measurement.

A) Analog output B) Multiplexer C) Sample & Hold D) Timer

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Measurement And Instrumentation MCQ Questions & Answers | ECE