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Measurement and Instrumentation

Measurement and Instrumentation
The use of __________________ instruments is merely confined within laboratories as standardizing instrument.

 recording.
 integrating.
  absolute.
 indicating.

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Measurement and Instrumentation
A multirange instrument has

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

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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

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

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Measurement and Instrumentation
The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be

 248 V.
 250 V.
 252 V.
 260 V.

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Measurement and Instrumentation
An induction meter can handle current upto

10 A
30 A
60 A
100 A

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Measurement and Instrumentation
A power factor meter has

One current circuit and two pressure circuits
One current circuit and one pressure circuit
Two current circuit and one pressure circuit
None of the listed here

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