SSC JE Electrical 2018 with solution SET-1
The motor used on a small lathe is usually

Single-phase capacitor run Motor
3-Phase Synchronous Motor
D.C shunt Motor
Universal Motor

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SSC JE Electrical 2018 with solution SET-1
Which type of insulation covering the conductor used for low voltages?

Vulcanised Indian Rubber
Paper
Cotton and silk Insulation
Poly-vinyl Chloride(P.V.C)

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SSC JE Electrical 2018 with solution SET-1
A PMMC type voltmeter, having a full-scale reading of 250 V and an internal resistance of 400 kilo-ohms, is connected with the series resistance of 100 kilo-ohms. Calculate the sensitivity of the voltmeter (in Ohms/Volts)

2000
20000
24000
2400

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SSC JE Electrical 2018 with solution SET-1
In a synchronous Motor, the damping winding is generally used to

Reduces the eddy current
Prevent hunting and provide starting Torque
Reduces the Noise Level
Provide starting torque

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SSC JE Electrical 2018 with solution SET-1
 What will be the value of average power (in Watt) of a sinusoidal voltage applied across a series circuit is 20 sinωt V and the current flowing the circuit is 10 sin(ωt + 60)A?

50
100
80
60

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