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Measurement and Instrumentation

Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

3 kWh
4 kWh
1 kWh
2 kWh

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Measurement and Instrumentation
A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is

 200 V.
 25 V.
 100 V.
 50 V.

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Measurement and Instrumentation
In a megger controlling torque is provided by

Gravity
Eddy current
Coil
Spring

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Measurement and Instrumentation
A multirange instrument has

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

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Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

 Y is more sensitive.
 X is more sensitive.
 Both X and Y are equally sensitive.
 It would not be possible to assess the sensitivity on the basis of the given data.

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Measurement and Instrumentation
An ammeter is ______ instrument.

An integrating
A recording
None of the listed here
An indicating

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