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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-2

Each section contains 100 MCQs on Measurement and Instrumentation .
41
Wattmeter is of
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Answer: Option B
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42
A capacitance of 250 pF produces resonance with a coil at a frequency of $$\frac{2}{\pi } \times {10^6}\,{\text{Hz,}}$$   while at the second harmonic of this frequency, resonance is produced by a capacitance of 50 pF the coil will be nearly
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Answer: Option A
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43
An average response rectifier type electronic voltmeter has a d.c. voltage of 10 V applied to it. What is the meter reading?
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Answer: Option C
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44
If retrace is visible on the CRT screen, the trouble may be that
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Answer: Option D
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45
OTDR is the acronym for:
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Answer: Option A
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46
Given x(t) = 3sin(1000πt) and y(t) = 5cos(1000πt + π/4). The x-y plot will be:
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Answer: Option D
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47
For a particular material the Hall coefficient was found to be zero. The material is
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Answer: Option B
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48
Under identical values of cold and hot junction temperatures, which thermocouple gives the highest output?
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Answer: Option C
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49
The most suitable primary standard for frequency is:
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Answer: Option D
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50
Two milli ammeters with full scale currents of 1 mA and 10 mA are connected in parallel and they read 0.5 mA and 2.5 mA respectively. Their internal resistance are in the ratio of
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Answer: Option B
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