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Measurement and Instrumentation

Measurement and Instrumentation
Which wave has the least form factor?

Rectangular wave
Sine wave
Square wave
Triangular wave

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

Hot wire
PMMC
Electrostatic
Moving iron

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Measurement and Instrumentation
A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is

 11.
 10.
 110.
 100.

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Measurement and Instrumentation
Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is

 0.6 lag.
 0.917 lead.
 0.6 lead.
 0.917 lag.

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Measurement and Instrumentation
Basically potential meter is a device for

Measuring a voltage
Measuring a current
Comparing two voltages
Comparing two currents

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Measurement and Instrumentation
The use of thermocouple meters for AC measurement leads to scale which is

 linear.
 square law.
 expontial.
 logarithmic.

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MORE MCQ ON Measurement and Instrumentation

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