1
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
In Figure. The characteristic that corresponds to the variation of synchronous reactance of synchronous motor with field current is GATE EE 1996 Electrical Machines - Synchronous Machines Question 8 English
A
curve $${\rm I}$$
B
curve $${\rm I}$$$${\rm I}$$
C
curve $${\rm I}$$$${\rm I}$$$${\rm I}$$
D
curve $${\rm IV}$$
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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