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SSC JE 2019-20 Technical Quiz 21

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Question 1

The artificial source of light is

Question 2

How is the ballast resistance connected with the choke?

Question 3

Which method is used for the lighting calculations?

Question 4

The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M) is

Question 5

If the voltage is reduced to half, the torque developed by an induction motor will be reduced to

Question 6

A 3-phase, 400 volts, 50 Hz, 100 KW, 4 pole squirrel cage induction motor with a rated slip of 2% will have a rotor speed of:

Question 7

Two condensers of capacity 2F and 3F are connected in series, a third condenser of 1F is connected in parallel to them, the resultant capacity in Farad (F) will be __________.

Question 8

For which of the following DC motors, is the typical field of application mentioned?

Question 9

For the same peak value of voltage, which wave form will have the least rms value?

Question 10

Addition of chlorine to raw water before treatment is known as
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Jun 26ESE & GATE EE