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Measurement and Instrumentation

Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

All of the listed here
Gravity
Spring
Eddy currents

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Measurement and Instrumentation
The ratio of change in output to the change in the input is called

 precision
 resolution
 sensitivity
 repeatability

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Measurement and Instrumentation
The difference between the measured value and the true value is called

 probable error
 gross error
 relative error
 absolute error

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Measurement and Instrumentation
An analog ammeter is

 an absolute instrument.
 a controlling instrument.
  an indicating instrument.
 a recording instrument.

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Measurement and Instrumentation
When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is

 25.4.
 20.
 54.2.
 31.4.

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Measurement and Instrumentation
The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is

 ± 2.8%
 ± 3%
 ± 6%
 ± 4%

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MORE MCQ ON Measurement and Instrumentation

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