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

Link clips
Rawl Plug
Bushings
Saddles

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SSC JE Electrical 2018 with solution SET-1
Direct resistance Heating is used in

Resistance Welding
Salt-Bath furnace
All of these
Electrode Boiler

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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?

314
282.88
159.98
141.44

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