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SSC JE 2019-20 Technical Quiz 95

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Question 1

Who invented the electric bulb?

Question 2

which type of fan used between dust collector and chimney in thermal power plant

Question 3

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.

Question 4

The main advantage of AC transmission system over DC transmission system is

Question 5

What is the meaning of sweep in case of ceiling fan

Question 6

The underground system cannot be operated above

Question 7

High pressure mercury discharge lamps are not used in

Question 8

In question 19, what is the reactive power drawn by the factory?

Question 9

A hydroelectric station has a catchment area of 4 x 10⁸ m^2. The average rainfall per annum in this area is 125 cm. Assuming that 30% of the rainfall is lost due to evaporation etc, the rate of availability of water is

Question 10

A d.c. 3-wire system is to be converted into 3-phase, 4-wire system by adding a fourth wire equal in X-section to each outer of the d.c. system. The percentage power loss and voltage at the consumer’s terminals are to be the same. Assume loads to be balanced. The extra power that can be supplied by a.c. system at unity power factor is

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ESE & GATE EE General

Jun 6ESE & GATE EE