DGVCL Exam Paper (11-12-2011)
Hysteresis in an instrument means

The change in the same reading when the input is first increased and then decreased
The inaccuracy due to change in temperature
The repeatability of the instrument
The reliability of the instrument

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Capacitor start capacitor run motor
Capacitor start motor
Universal motor
Split phase motor

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DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

It's power factor is higher
It has a higher efficiency
It is suitable for higher speeds
It can be started with the help of rotor resistances

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