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

Resistance Welding
Salt-Bath furnace
Electrode Boiler
All of these

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SSC JE Electrical 2018 with solution SET-1
 Which of the following statement is TRUE?

The equivalent resistance in series combination is smaller than the largest resistance in the combination
The equivalent resistance in series combination is equal to the largest resistance in the combination
The equivalent resistance in series combination is larger than the largest resistance in the combination
The equivalent resistance in series combination is equal to the smallest resistance in the combination

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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
141.44
282.88
159.98

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SSC JE Electrical 2018 with solution SET-1
 Which one of the following statement is NOT true about PMMC type instruments?

These instruments are suitable for both AC and DC currents
The cost of PMMC instruments is high
PMMC type Instruments have uniformly divided scale
Stray magnetic errors are small in these types of instruments

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SSC JE Electrical 2018 with solution SET-1
 In cables, the thickness of the layer of insulation on the conductor depends upon

Reactive Power
Voltage
Power Factor
Current carrying capacity

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