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Measurement and Instrumentation

Measurement and Instrumentation
The difference between the indicated value and the true value of a quantity is

 Relative error
 Absolute error
 Gross error
 Dynamic error

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Measurement and Instrumentation
A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read

 + 597 W.
  - 597 W.
 + 795 W.
 - 795 W.

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Measurement and Instrumentation
The multiplier and the meter coil in a voltmeter are in

None of the listed here
Series
Series-parallel
Parallel

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Measurement and Instrumentation
The main advantage of Anderson bridge over Maxwell bridge is that

 balance equation independent of frequency.
 measures high Q inductors.
 attaining balance condition is easier.
  reduction of the cost.

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Measurement and Instrumentation
The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as

 (400 ± 3) A
 (400 ±5) A
 (400 ± 1) A
 (400 ± 2.24) A

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Measurement and Instrumentation
_______ instruments are those which measure the total quantity of the electricity delivered in a particular time.

Absolute
Recording
Integrating
Indicating

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MORE MCQ ON Measurement and Instrumentation

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