GATE EE 1996 | Induction Machines Question 78 | Electrical Machines

GATE EE 1996

MCQ (Single Correct Answer)

-0.3

When the supply voltage to an induction motor is reduced by $$10\% $$, the maximum torque will decrease by approximately

$$5\% $$

$$10\% $$

$$20\% $$

$$40\% $$

GATE EE 1996

MCQ (Single Correct Answer)

-0.3

In an induction motor, if the air gap is increased

speed will reduce

efficiency will improve

power factor will be lower

breakdown torque will reduce

GATE EE 1996

MCQ (Single Correct Answer)

-0.3

In case of a split phase motor, the phase shift between currents in the two windings is around

$$30$$ degrees

$$70$$ degrees

$$90$$ degrees

$$120$$ degrees

GATE EE 1996

MCQ (Single Correct Answer)

-0.3

Unbalanced supply voltage given to a $$3-$$ phase, data-connected induction motor will cause

zero sequence currents

less heating of the rotor

negative sequence component current

all of these

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