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 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
3
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
The torque speed characteristic of a Repulsion motor resembles which of the following dc motor characteristic?
A
Separately excited
B
Shunt
C
Series
D
Compound
4
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
Which type of motor is most suitable for computer printer device?
A
Reluctance motor
B
Hysteresis motor
C
Shaded pole motor
D
Stepper motor

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