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Measurement and Instrumentation

Measurement and Instrumentation
Jewels are used in instruments for the purpose of

Damping
Torque control
Bearing
Suppressing noise

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Measurement and Instrumentation
A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance

 1000 Ω.
 0.001 Ω.
 0.1001 Ω.
 100 Ω.

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

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Measurement and Instrumentation
Which of the following essential featuresis possessed by an indicating instrument?

Damping device
Deflecting device
All of the listed here
Controlling device

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Measurement and Instrumentation
Which of the quantity consists of unit as newton-second?

 velocity
 Acceleration
 Impulse
 Speed

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Measurement and Instrumentation
A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is

 10 bar.
 270 bar.
  250 bar.
 260 bar.

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