1
GATE EE 2002
MCQ (Single Correct Answer)
+1
-0.3
If a 400 V, 50 Hz, star connected, 3 phase squirrel cage induction motor is
operated from a 400 V, 75 Hz supply, the torque that the motor can now provide
while drawing rated current from the supply?
2
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
Starting torque can be obtained in the case of a single phase induction motor
with identical main and auxiliary windings by connecting
3
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
The following starting method for an induction motor is inferior view of the poor
starting torque per ampere of the line current drawn:
4
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
A 3-phase squirrel cage induction motor has a full load efficiency of 0.8 and a
maximum efficiency of 0.9. It is operated at a slip of 0.6 by applying a reduced
voltage. The efficiency of the motor at this operating point is:
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