1
GATE EE 2005
MCQ (Single Correct Answer)
+2
-0.6
In a single phase induction motor driving a fan load, the reason for having a high
resistance rotor is to achieve
2
GATE EE 2004
MCQ (Single Correct Answer)
+2
-0.6
A rotating electrical machine having its self-inductances of both the stator and
the rotor windings, independent of the rotor position will be definitely not develop
3
GATE EE 2004
MCQ (Single Correct Answer)
+2
-0.6
A single-phase, 230 V, 50 Hz, 4 pole, capacitor-start induction motor has the
following stand still impedances
Main winding Zm =6.0 + j4.0Ω
Auxiliary winding Za = 8.0 + j6.0Ω
The value of the starting capacitor required to produce 90° phase difference between the currents in the main and auxiliary windings will be
Main winding Zm =6.0 + j4.0Ω
Auxiliary winding Za = 8.0 + j6.0Ω
The value of the starting capacitor required to produce 90° phase difference between the currents in the main and auxiliary windings will be
4
GATE EE 2004
MCQ (Single Correct Answer)
+2
-0.6
A 400 V, 15 kW, 4 pole, 50 Hz, Y-connected induction motor has full load slip of
4%. The output torque of the machine at full load is
Questions Asked from Marks 2
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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