SSC JE Electrical 2018 with solution SET-1
The speed of a synchronous motor can be changed by

Changing the supply Terminals
Changing the supply voltage
Changing the load
Changing the frequency

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

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SSC JE Electrical 2018 with solution SET-1
 What is the peak-to-peak value of a sinusoidal voltage (in V) having the average value of 100 V?

141.44
314
159.98
282.88

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SSC JE Electrical 2018 with solution SET-1
 Which of the following is a static exciter?

Metadyne
DC Separately excited generator
Amplidyne
Rectifier

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SSC JE Electrical 2018 with solution SET-1
Which one of the material is used to fix the screw on concrete wall and ceiling?

Rawl Plug
Link clips
Bushings
Saddles

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