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Measurement And Instrumentation MCQ Questions & Answers | ECE

Learn Measurement And Instrumentation MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Measurement And Instrumentation MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-10 section-1

Each section contains 100 MCQs on Measurement and Instrumentation .
91
The torque transmitted by a cylindrical shaft is to be measured by using two strain gauges. The angles for mounting the strain gauges relative to the axis of the shaft for maximum sensitivity are
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Answer: Option A
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92
Which of the following methods can be used for measuring power without using wattmeter.
1. One voltmeter, one ammeter
2. Two voltmeters, two ammeters
3. Three voltmeters
4. Three ammeters
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Answer: Option A
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93
A vibration galvanometer is tunded:
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Answer: Option C
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94
The Q-factor measures
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Answer: Option D
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95
Consider the ammeter-voltmeter method of determining the value of the resistance R using the circuit shown in the figure. The maximum possible errors of the voltmeter and ammeter are known to be 1% and 2% of their readings, respectively. Neglecting the effects of meter resistances, the maximum possible percentage error in the value of R determined from the measurements, is:
Measurement and Instrumentation mcq question image
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Answer: Option B
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96
Which of the following is used to measure the leakage resistance of a capacitor?
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Answer: Option B
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97
A piezoelectric crystal having a thickness of 2 mm and a voltage sensitivity of 0.02 V-m/N is subjected to a pressure of 20 × 103 Pa. What is the output voltage?
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Answer: Option B
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98
In orifice meter, vena contracta is a position where . . . . . . . . is maximum and . . . . . . . . is minimum.
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Answer: Option A
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99
On an induction type energy meter, is written "600 rev/kWh". If it is to be used an approximate wattmeter which is read off in rpm, a 600 watt load would read as
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Answer: Option B
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100
A d.c. circuit can be represented by a voltage source of 10 V in series with an output resistance of 1 kΩ. An ammeter of 50 Ω resistance is connected to the source terminals for measurement of current. The accuracy of measurement is nearly
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Answer: Option B
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