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Measurement and Instrumentation - Interview Questions and Answers

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91. Commonly used standard capacitor is
A. spherical type
B. concentric cylindrical type
C. electrostatic type
D. multilayer parallel plate type
Explanation:
92. The power of a n-phase circuit can be measured by using a minimum of
A. (n - 1) wattmeter elements
B. n wattmeter elements
C. (n + 1) wattmeter elements
D. 2n wattmeter elements
Explanation:
93. Which of the following is measured by using a vector voltmeter ?
A. Amplifier gain and phase shift
B. Filler transfer functions
C. Complex insersion loss
D. All of the above
Explanation:
94. If an instrument has cramped scale for larger values, then it follows
A. square law
B. logarithmic law
C. uniform law
D. none of the above
Explanation:
95. To measure radio frequency, the suitable frequency meter is
A. Weston frequency meter
B. reed vibrator frequency meter
C. hetrodyne frequency meter
D. electrical resonance frequency meter
Explanation:
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