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Measurement and Instrumentation

Measurement and Instrumentation
An induction meter can handle current upto

60 A
10 A
30 A
100 A

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Measurement and Instrumentation
One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land?

0.73
0.84
0.65
1

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Measurement and Instrumentation
PMMC Instrument can be used for

AC work only
DC work only
None of the listed here
Both AC and DC

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Measurement and Instrumentation
Following is a 16-bit register for 8085 microprocessor

 Stack pointer
 Register B
 Accumulator
 Register C

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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

 250 V.
 260 V.
 248 V.
 252 V.

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Measurement and Instrumentation
An ammeter is a

Recording instrument
Secondary instrument
Integrating instrument
Absolute instrument

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MORE MCQ ON Measurement and Instrumentation

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