Exercise: Measurements And Instrumentation

Questions for: Measurements And Instrumentation

Panel type instruments are used in
A:
power stations
B:
automobiles
C:
industries
D:
all of the above
Answer: D
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The damping ratio, in D'Arsonval galvanometer is equal to
A:
B:
C:
D:
Answer: B
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Magnetic flux can be measured by
A:
capacitive pick up
B:
inductive pick up
C:
resistive pick up
D:
hall effect pick up
Answer: D
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Consider the following statements regarding electro-dynamometer type indicating instrument
It can be used for measuring
  1. Direct current
  2. Alternating current
  3. Direct voltage
  4. Alternating voltage
Of these statements
A:
1 and 2 are corect
B:
3 and 4 are correct
C:
1 and 3 are correct
D:
1, 2, 3, 4 are correct
Answer: D
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Assertion (A): Electrodynamic instrument is not used as ammeter or voltmeter.

Reason (R): Electrodynamic instrument is more costly than PMMC and moving iron instrument.

A:
Both A and R are true and R is correct explanation of A
B:
Both A and R are true but R is not correct explanation of A
C:
A is true R is false
D:
A is false R is true
Answer: A
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