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Measurement and Instrumentation

Measurement and Instrumentation
With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be

100Hz
1kHz
500Hz
50Hz

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Measurement and Instrumentation
A multirange instrument has

Multirange meters inside the measurement system
Variable turns of coil
Multicoil arrangement
Multiple shunt or series resistance inside the meter

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Measurement and Instrumentation
What is the unit of plane angle?

 Steradian
 Degree
 Radian
 Candela

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Measurement and Instrumentation
A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is

 2V.
 Zero.
 2√2V.
 √2V.

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Measurement and Instrumentation
A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read

 - 795 W.
  - 597 W.
 + 795 W.
 + 597 W.

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Measurement and Instrumentation
Moving iron instruments have _____ scale.

Squared
Log
None of the listed here
Uniform

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MORE MCQ ON Measurement and Instrumentation

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