Explore topic-wise MCQs in Electrical Measurements.

This section includes 10 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.

Poisson’s ratio is given by which of the following relation?

A. µ = –\(\frac{\Delta d/d}{\Delta l/l}\)
B. µ = –\(\frac{\Delta d}{\Delta l/l}\)
C. µ = –\(\frac{d}{\Delta l/l}\)
D. µ = –\(\frac{\Delta d/d}{\Delta l}\)
Answer» B. µ = –\(\frac{\Delta d}{\Delta l/l}\)
Discussion
2.

Gauge factor is given by which of the following relation?

A. S = \(\frac{\Delta R/R}{\Delta l}\)
B. S = \(\frac{\Delta R}{\Delta l/l}\)
C. S = \(\frac{R}{\Delta l/l}\)
D. S = \(\frac{\Delta R/R}{\Delta l/l}\)
Answer» E.
Discussion
3.

Proper bonding causes errors in strain gauges.$

A. True
B. False
Answer» C.
Discussion
4.

Proper functioning of a strain gauge depends on __________

A. strain
B. stress
C. bonding
D. length of wire
Answer» D. length of wire
Discussion
5.

Cement is classified under __________

A. 4 types
B. 2 types
C. 6 types
D. 8 types
Answer» C. 6 types
Discussion
6.

Commonly used elements for wire strain gauges are __________

A. nickel and copper
B. nickel and gold
C. gold and brass
D. silver and aluminium
Answer» B. nickel and gold
Discussion
7.

Dynamic strain measurements use __________

A. brass iron alloy
B. iron aluminium alloy
C. nickel cadmium alloy
D. nickel chromium alloy
Answer» E.
Discussion
8.

Bonding element in a strain gauge must have __________

A. zero insulation resistance
B. low insulation resistance
C. high insulation resistance
D. infinite insulation resistance
Answer» D. infinite insulation resistance
Discussion
9.

The strain gauge is not bonded to the specimen.

A. True
B. False
Answer» C.
Discussion
10.

Electrical strain gauge works on the principle of __________

A. variation of resistance
B. variation of capacitance
C. variation of inductance
D. variation of area
Answer» B. variation of capacitance
Discussion