1
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
2
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
3
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
A $$4$$ pole dynamo with wave wound armature has $$51$$ slots containing $$20$$ conductors in each slot. The induced $$emf$$ is $$357$$ volts and the speed is $$5800$$ $$rpm$$. The flux per pole will be
A
$$3.5$$ $$mWb$$
B
$$1.2$$ $$mWb$$
C
$$14mWb$$
D
$$21$$ $$mWb$$
4
GATE EE 1995
MCQ (Single Correct Answer)
+1
-0.3
A differentially compounded d.c. motor with interpoles and with brushes on the neutral axis is to be driven as a generator in the same direction with the same polarity of the terminal voltage. It will then
A
be a cumulatively compound generator but the interpole coil connections are to be reversed
B
be a cumulatively compounded generator without reversing the interpole coil connections.
C
be a differentially compounded generator without reversing the interpole coil connections
D
be a differentially compounded generator but the interpole coil connections are to be reversed.
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