SSC JE Electrical Engineering 2012

Instructions

For the following questions answer them individually

Question 171

As per IE rules the maximum allowable variation between declared and actual voltage at consumer's premised should be

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Question 172

Alternator used in hydel power station has more number of poles in it than used in thermal power station, because

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Question 173

The connected load of a comsumer is 2kW and the maximum demand is 1.5kW. The demand factor of the consumer is

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Question 174

In a thyrite lightning arrester the resistance

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Question 175

A consumer is offered the following rate of tariff. He has to pay a fixed charge of Rs. 1,000 per month and a running charge of Rs. 4.50 per unit consumed. If the consumer runs a motor load of 1kW at 0.85 power factor lagging on an average of 15 hours per day, his annual bill is

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Question 176

Glare is caused due to

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Question 177

Which of the following method is suitable for heating of conducting medium?

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Question 178

Furnaces used for cremation use

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Question 179

In a fluorescent tube circuit high voltage surge is produced by

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Question 180

In AC operated electromechanical contractors, the problem of chattering is eliminated by

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