Mechanical Measurement & Instrumentation Objective Questions & Answers - 1

Question: 1

Under force current analogy, displacement is considered as analogous to

(A) magnetic flux linkage

(B) induced emf

(C) voltage

(D) current

Ans: A

magnetic flux linkage

Question: 2

A strain gauge material should have low

(A) resistance temperature coefficient

(B) gauge factor

(C) sensitivity

(D) all of the above

Ans: A

resistance temperature coefficient

Question: 3

A transducer that converts the input physical phenomenon into an electrical output in the form of pulses is known as

(A) analogy transducer

(B) secondary transducer

(C) tuned transistor

(D) digital transducer

Ans: D

digital transducer

Question: 4

Which of the following is generally not used as a thermocouple material?

(A) chromel – copper

(B) chromel – alumel

(C) platinum- rhodium

(D) gold – silver

Ans: D

gold – silver

Question: 5

Which of the following is not a piezoelectric material?

(A) ammonium dihydrogen phosphate

(B) quartz

(C) sodium chloride

(D) all of the above

Ans: C

sodium chloride

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