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Measurement and Instrumentation

Measurement and Instrumentation
The pointer of an indicating instrument is generally made of _______

Aluminium
Soft steel
Copper
Silver

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Measurement and Instrumentation
Direct method is used to measure

Length
Temperature
Voltage
Pressure

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Measurement and Instrumentation
A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec?

 150o.
 63.25o.
 105.6o.
 30o.

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Measurement and Instrumentation
The smallest change in measured variable to which instrument will respond is

 sensitivity.
 precision.
  resolution.
 accuracy.

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Measurement and Instrumentation
Which of the quantity consists of unit as kg m/sec ?

 Impulse
 Acceleration
 Momentum
 Speed

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Measurement and Instrumentation
The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement?

 0.01 ohm.
 10.26 ohm.
 15.36 ohm.
  0.03 ohm.

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