Explore topic-wise MCQs in Electrical Measurements.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.

1.

Nickel and its alloys can be used over a temperature range of ________

A. 100 to 450 K
B. 10 to 50 K
C. 0 to 25 K
D. 5 to 15 K
Answer» B. 10 to 50 K
Discussion
2.

In a temperature sensing element ________

A. low value of α is required
B. infinite value of α is required
C. α must be zero
D. high value of α is required
Answer» E.
Discussion
3.

NICKEL_AND_ITS_ALLOYS_CAN_BE_USED_OVER_A_TEMPERATURE_RANGE_OF_________?$

A. 100 to 450 K
B. 10 to 50 K
C. 0 to 25 K
D. 5 to 15 K
Answer» B. 10 to 50 K
Discussion
4.

How can corrosion be prevented in a resistance thermometer?$

A. by immersing the setup in oil
B. by enclosing the elements in a glass tube
C. by using guard rings
D. by painting the elements
Answer» C. by using guard rings
Discussion
5.

In a temperature sensing element _______?

A. low value of α is required
B. infinite value of α is required
C. α must be zero
D. high value of α is required
Answer» E.
Discussion
6.

Most metallic conductors have a ________

A. neutral temperature coefficient of resistance
B. negative temperature coefficient of resistance
C. positive temperature coefficient of resistance
D. zero temperature coefficient of resistance
Answer» D. zero temperature coefficient of resistance
Discussion
7.

If the sensing element is large, then less amount of heat is required.

A. True
B. False
Answer» C.
Discussion
8.

Resistance thermometer provides the change in electrical resistance.

A. True
B. False
Answer» B. False
Discussion
9.

Platinum is used for industrial applications because ________

A. it is cheap
B. it is available readily
C. it is a noble metal
D. it gives accurate measurements
Answer» E.
Discussion
10.

Sensing element in the thermometer must provide ________

A. small change in resistance
B. no change in resistance
C. large change in resistance
D. infinite change in resistance
Answer» D. infinite change in resistance
Discussion
11.

Relation between temperature and resistance of a conductor is ________

A. R<sub>t</sub> = R<sub>ref</sub> [1+t].
B. R<sub>t</sub> = R<sub>ref</sub> [1+α∆t].
C. R<sub>t</sub> = R<sub>ref</sub> [1-αt].
D. R<sub>t</sub> = R<sub>ref</sub> [1-t].
Answer» C. R<sub>t</sub> = R<sub>ref</sub> [1-‚âà√≠¬¨¬±t].
Discussion
12.

Resistance temperature detector is ___________

A. a electrical transducer
B. a mechanical transducer
C. a chemical transducer
D. a physical transducer
Answer» B. a mechanical transducer
Discussion