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Measurement and Instrumentation

Measurement and Instrumentation
Which of the quantity consists of unit as Pascal ?

 Pressure
 Temperature
 Force
 Impulse

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Measurement and Instrumentation
Alternating current is measured by

Induction ammeter
Permanent magnet type ammeter
Moving iron repulsion type voltmeter
Electrostatic ammeter

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Measurement and Instrumentation
For measurement of high direct voltage, one would use _____ voltmeter.

Hot wire
PMMC
Moving iron
Electrostatic

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Measurement and Instrumentation
A variable w is related to three other variables x, y and z as w = xy/z. The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading. The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three. The maximum uncertainty in the measurement of w will be

 ± 6%
 ± 7%
 ± 5%
 ± 8%

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Measurement and Instrumentation
To measure ac as well as dc power, we use

None of the listed here
Induction wattmeter
Dynamometer wattmeter
Sometimes induction and sometimes dynamometer wattmeter

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Measurement and Instrumentation
The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

Almost zero
Low
None of the listed here
High

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MORE MCQ ON Measurement and Instrumentation

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