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Measurement and Instrumentation

Measurement and Instrumentation
Which of the quantity consists of SI unit as Candela?

 Impulse
 Force
 Velocity
 Luminous intensity

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

Any of the listed here
DC only
Both DC and AC
AC only

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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

 260 V.
 250 V.
 248 V.
 252 V.

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Measurement and Instrumentation
A multirange instrument has

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

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Measurement and Instrumentation
If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then

 V1 = 200V and V2 = 300V.
 V1 = 250V and V2 = 250V.
 V1 = 300V and V2 = 200V.
 V1 = 0V and V2 = 0V.

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Measurement and Instrumentation
A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read

2.5 A
0 A
None of the listed here
5 A

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