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MEASURING INSTRUMENT
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1) Which error is caused by the braking system of energy meter?
Creeping error
Speed error
Phase error
Friction error
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Correct Answer: Speed error
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1) Which error is caused by the braking system of energy meter?
Creeping error
Speed error
Phase error
Friction error
2) How many segments in LCD displays in Digital Multi Meter (DMM)?
10
8
7
6
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Correct Answer: 7
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2) How many segments in LCD displays in Digital Multi Meter (DMM)?
10
8
7
6
3) Which is the angle of two moving coils rigidly attached to each other of a dynamo meter type 3 phase P.F meter?
90 Degree
120 Degree
180 Degree
360 Degree
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Correct Answer: 120 Degree
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3) Which is the angle of two moving coils rigidly attached to each other of a dynamo meter type 3 phase P.F meter?
90 Degree
120 Degree
180 Degree
360 Degree
4) Which principle the instrument transformers work?
Self induction
Mutual induction
Fall in potential
Lenzs law
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Correct Answer: Mutual induction
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4) Which principle the instrument transformers work?
Self induction
Mutual induction
Fall in potential
Lenzs law
5) How the burden of current transformer is expressed?
Watt
Ampere hour
Volt ampere
Watt hour
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Correct Answer: Volt ampere
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5) How the burden of current transformer is expressed?
Watt
Ampere hour
Volt ampere
Watt hour
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