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JE 2019 || Day 23 || Synchronous Machines Quiz 2

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Question 1

Regulation of an alternator supplying resistive or inductive load is:

Question 2

Low frequency operation of a.c. series motor in traction application:

Question 3

The speed of a p-pole synchronous machine in rpm is given by:

Question 4

A 3-phase synchronous motor is started by utilizing the torque developed in

Question 5

A synchronous motor can be used as synchronous condenser when it is

Question 6

Which one of the following methods would give a higher than actual value of regulation of an alternator ?

Question 7

If the excitation of an alternator operating in parallel with other alternator is increased above the normal value of excitation, its

Question 8

Damper winding in synchoronous motors is used to

Question 9

Turbo alternators have rotors of

Question 10

If the mechanical angle

between the stator and rotor poles increases, then, stator current …………….

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Apr 23ESE & GATE EE