SSC JE Electrical Engineering 27th Jan 2018 Shift-1

Instructions

For the following questions answer them individually

SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 141


Which one of the following is the dimension of energy?

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SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 142


Which one of the following statement is NOT TRUE about the MI type instruments?

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SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 143


Which one of the following statement is NOT TRUE about multimeter?

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SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 144


Which one of the following is the main cause of magnetic decay in PMMC type instrument?

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SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 145


Determine the quality factor in Hay's bridge given below, if the bridge is supplied by a frequency of 50 Hz.

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SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 146


Determine the apparent power (in W) of a circuit, if the circuit have a power factor of 0.8 and the reactive power of the circuit is 60 W.

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SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 147


A building has 3 floors and each floor has 4 fans of 50 W that operates for 12 hours a day and one air conditioner of 3000 W that operates for 2 hours per day in the month of the June. Determine the energy consumption (in kWh) of the building in June.

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SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 148


Determine the reading (in kW) of both the wattmeters used to measure the power of a three-phase three-wire system having input of 6 kW and power factor of 1.

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SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 149


What will be the secondary voltage (in V) of a potential transformer, if the value of system voltage is 11,000 V, the turn’s ratio of the potential transformer is 108 and the percentage voltage error of the transformer is 5%?

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SSC JE Electrical Engineering 27th Jan 2018 Shift-1 - Question 150


Determine the full-scale reading (in V) of a PMMC type voltmeter, when the internal resistance of the voltmeter is 230 kilo-ohms, the series resistance connected with the voltmeter is 70 kilo-ohms and the sensitivity of the voltmeter is 3 kilo-ohms/volt.

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