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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