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Measurement and Instrumentation

Measurement and Instrumentation
The internal resistance of an ammeter should be

Infinity
Medium
High
Very small

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Measurement and Instrumentation
A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ?

 0.3 N
 0.15 N
 6.66 N
 3.33 N

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Measurement and Instrumentation
The errors mainly caused by human mistakes are

  gross error.
 instrumental error.
 observational error.
 systematic error.

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Measurement and Instrumentation
If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then

 V1 = 200V and V2 = 300V.
 V1 = 250V and V2 = 250V.
 V1 = 300V and V2 = 200V.
 V1 = 0V and V2 = 0V.

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Measurement and Instrumentation
Which of the following meter is most suitable for measuring radio frequency currents?

 Moving - iron meter.
 Moving - coil meter.
  Thermocouple meter.
 VTVM.

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Measurement and Instrumentation
PMMC type instruments normally use

Fluid friction damping
Eddy current damping
None of these
Air friction damping

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MORE MCQ ON Measurement and Instrumentation

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