DGVCL Exam Paper (11-12-2011)
All the peripheral devices connected to a computer require power to work. Which of the following voltages is required for the motherboard to work?

DC
Negative cycle of sine wave
Positive cycle of sine wave
AC

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

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

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

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

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

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