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SSC JE Electrical Machines Quiz 94

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Question 1

The converse of Magnetostriction effect is

Question 2

A Generator of internal impedance Zi delivers maximum power to a load impedance ZL, only if

Question 3

A cumulative compound DC generator is supplying 30 A at 300 V. Now if series field winding is short circulated, then the terminal voltage at constant speed operation.

Question 4

A salient-pole synchronous generator delivers 50% of rated power to an infinite bus. If its field excitation fails.

Question 5

Which of the following motor is used for traction purpose ?

Question 6

Main function of the conservator in transformer ?

Question 7

In a three-phase induction motor, starting torque will be maximum when:

Question 8

A transformer is working at its full load and its efficiency is also maximum at which iron loss is 3.2 KW. Then, its copper loss at one-fourth of full load is

Question 9

The speed of an ideal DC series motor at no load is

Question 10

The type of 1-ϕ induction motor having the highest power factor at full load is
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Sep 14AE & JE Exams