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SSC JE EE : Technical Quiz 7

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Question 1

Which of the following is correct to eliminate or reduce the process of cogging?

Question 2

The ratio of electrical energy supplied by a battery to the amount of electrical energy required to return it to the state before discharge is defined as _____.

Question 3

In four-point starter, the no volt release is connected across the

Question 4

Which of the following is a type of arc welding?

Question 5

Which one of the following statement is true regarding the diverter used in field flux control?

Question 6

The number of slip rings on a squirrel cage induction motor is usually

Question 7

The device which is used for maintaining a uniform voltage in the disc to improve the string efficiency is?

Question 8

Under the which act bureau of energy efficiency of india is established?

Question 9

A 3-phase, 4-wire system supplies power to a balanced star-connected load. The current in each phase is 10 A. the current in the neutral wire will be

Question 10

For a three-phase induction motor in direct online starting if short circuit current is 10 times the full load current, and the full load slip is 0.05. Then which one of the following statement is correct.

Question 11

Which of the following is not a distance relay?

Question 12

A Buchholz relay is

Question 13

In a R-C series circuit if C= 40 μF and the initial voltage across capacitor was VC(0-) = -20 V. If the rate of change of voltage through the capacitor dv(0-)/dt = 400 V/sec, then calculate the value of resistance R?

Question 14

A synchronous machine is connected to an infinite bus. The armature current change with field current for constant real power is

Question 15

In a circuit given below if R = 20 Ω, L =16 mH and the capacitance C = 160 μF, then calculate the supply current if the input voltage is 200 V, 50 Hz of supply?

Question 16

Mixed Node is defined as:

Question 17

Find the current at t = 4 second if µF?

Question 18

In which material, magnetic field induces a magnetic moment that opposes the very magnetic field that actually causes it.

Question 19

The main purpose of conservator in a transformer is to

Question 20

For the given circuit when the load is not connected it is found that the voltage across the load is 50 V. In second case when the load RL is shorted then the current flowing through the Load is 2 A . Find out the current flowing if RL is replaced by 5 Ω.

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