MGVCL Exam Paper (30-07-2021 Shift 1)
The frequency of the emf in the stator of a 4-pole induction motor is 50 Hz, and that in the rotor is 2 Hz. What is the slip and at what speed is the motor running?

4%, 1455 rpm
3%, 1455 rpm
4%, 1440 rpm
3%, 1440 rpm

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MGVCL Exam Paper (30-07-2021 Shift 1)
A thermistor is inherently suitable for temperature measurement involving

high span and low sensitivity
high span and high sensitivity
low span and low sensitivity
low span and high sensitivity

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MGVCL Exam Paper (30-07-2021 Shift 1)
As per ___ guidelines, if the ratio of carbon dioxide (CO₂) and carbon monoxide (CO) in dissolved gas analysis is ___, it is predicted that the condition of paper insulation inside the transformer is poor.

IEC-599, more than 11
IEC-599, less than 11
IEC-899, less than 11
IEC-899, more than 11

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MGVCL Exam Paper (30-07-2021 Shift 1)
A grid interactive solar system:

always supplies power to the grid
always receives power from the grid
supplies power to as well as receives power from the grid as required
works only when the grid fails

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