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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 2000
MCQ (Single Correct Answer)
+1
-0.3
The compensating winding in a dc machine
A
is located in armature slots for compensation of the armature reaction
B
is located on commutating poles for improving the commutation
C
is located on pole shoes for avoiding the flashover at the commutator surface
D
is located on poles shoes to avoid the sparking at the brushes.
2
GATE EE 2000
MCQ (Single Correct Answer)
+1
-0.3
Ratio of the rotor reactance X to the rotor resistance R for a two-phase servomotor
A
is equal to that of a normal induction motor
B
is less than that of a normal induction motor
C
is greater than that of a normal induction motor
D
may be less or greater than that of a normal induction motor
3
GATE EE 2000
MCQ (Single Correct Answer)
+1
-0.3
A 1.8° step, 4-phase stepper motor has a total of 40 teeth on 8 poles of stator. The number of rotor teeth for this motor will be
A
40
B
50
C
100
D
80
4
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
A 4-pole lap-wound DC generator has a developed power of P watts and voltage of E volts. Two adjacent brushes of the machine are removed as they are worn out. If the machine operates with the remaining brushes, the developed voltage and power that can be obtained from the machine are
A
E, P
B
E/2, P/2
C
E, P/4
D
E, P/2
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Questions Asked from Marks 1
GATE EE 2023 (3) GATE EE 2018 (1) GATE EE 2016 Set 1 (1) GATE EE 2015 Set 1 (1) GATE EE 2015 Set 2 (2) GATE EE 2014 Set 3 (1) GATE EE 2011 (1) GATE EE 2007 (1) GATE EE 2006 (1) GATE EE 2002 (1) GATE EE 2001 (1) GATE EE 2000 (3) GATE EE 1999 (1) GATE EE 1996 (3) GATE EE 1995 (1) GATE EE 1993 (1) GATE EE 1992 (1)
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