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Measurement and Instrumentation

Measurement and Instrumentation
An Ohmmeter is a

Dynamometer instrument
Moving coil instrument
Moving iron instrument
None of the listed here

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Measurement and Instrumentation
Which one of the following units is a fundamental unit?

 Joule/sec
 Watt
 Newton
 Ampere

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Measurement and Instrumentation
The repeat accuracy of an instrument can be judged from its

Static error
Standard deviation of error
Dynamic error
Linearity error

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Measurement and Instrumentation
A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

 25 mA.
  40 mA.
 80 mA.
 50 mA.

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Measurement and Instrumentation
An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is

 5%
 3%
 6%
 4%

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Measurement and Instrumentation
A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is

0°
120°
30°
90°

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MORE MCQ ON Measurement and Instrumentation

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