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Measurement and Instrumentation

Measurement and Instrumentation
Piezoelectric effect is carried out in

  constant k prototype.
  m derived.
  composite filter.
  crystal filter.

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Measurement and Instrumentation
The problem of Electrostatic coupling in a transformer is acute at

High load on the transformer
High frequencies
Low frequencies
Power frequencies

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Measurement and Instrumentation
In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is

 0.8 mm/Ω
 0.4 mm/Ω
 2.5 mm/Ω
 5.0 mm/Ω

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Measurement and Instrumentation
A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error?

 4%
 3%
 2%
 5%

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Measurement and Instrumentation
Alternating current is measured by

Electrostatic ammeter
Moving iron repulsion type voltmeter
Permanent magnet type ammeter
Induction ammeter

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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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MORE MCQ ON Measurement and Instrumentation

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