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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-5 section-3

Each section contains 100 MCQs on Measurement and Instrumentation .
41
Loading effect is primarily caused by instruments having:
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Answer & Solution
Answer: Option C
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42
A dual trace oscilloscope usually offers two modes, chop and alternate.
The alternate mode can be used for displaying.
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Answer: Option B
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43
In a flux meter, the controlling torque is
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Answer: Option C
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44
The simplest and most common method of reducing any effect of inductive coupling between measurement and power circuits is achieved by using
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Answer: Option B
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45
The Q factor of an inductor would be higher it is made of
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Answer: Option D
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46
A seismic transducer working in the displacement mode should be designed to have
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Answer: Option A
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47
The power of a three phase, three wire balanced system was measured by two Wattmeter method. The reading of one Wattmeter was found to be doubled that of other. What is the power factor of the system?
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Answer: Option B
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48
Consider the following data for the circuit shown above:
Ammeter : Resistance 0.2 Ω; Reading 5.0 A
Voltmeter: Resistance 2 kΩ ; Reading 200 V
Wattmeter : Current coil resistance 0.2 Ω
Pressure coil resistance 2 KΩ
Load : Power factor = 1
The reading of the Wattmeter is:
Measurement and Instrumentation mcq question image
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Answer: Option D
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49
A 100 Ω resistive potentiometer is used with an input supply voltage of 10 V. If the thermal resistance 30°C/W and the ambient temperature is 40°C, the temperature of the POT is
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Answer: Option C
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50
The measured value of a capacitor is 100 µF. The true value of the capacitor is 110 µF. The percentage relative error is
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Answer: Option B
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