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Electrical Machines
Induction Machines
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D.C Machines
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Synchronous Machines
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Transformers
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1
GATE EE 1997
MCQ (Single Correct Answer)
+1
-0.3
If an induction machine is run at above synchronous speed, it acts as
A
a synchronous motor
B
an induction generator
C
an induction motor
D
none of the above
2
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
Unbalanced supply voltage given to a $$3-$$ phase, data-connected induction motor will cause
A
zero sequence currents
B
less heating of the rotor
C
negative sequence component current
D
all of these
3
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
When the supply voltage to an induction motor is reduced by $$10\% $$, the maximum torque will decrease by approximately
A
$$5\% $$
B
$$10\% $$
C
$$20\% $$
D
$$40\% $$
4
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
In case of a split phase motor, the phase shift between currents in the two windings is around
A
$$30$$ degrees
B
$$70$$ degrees
C
$$90$$ degrees
D
$$120$$ degrees
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Questions Asked from Marks 1
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GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement