1
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
$$21$$ $$mWb$$
2
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
The function of oil in a transformer is
A
to provide insulation and cooling
B
to provide protection against lightning
C
to provide protection against short circuit
D
to provide lubrication
3
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
Auto-transformer is used in transmission and distribution
A
when operator is not available
B
when iron losses are to be reduced
C
when efficiency considerations can be ignored
D
when the transformation ratio is small
4
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
Keeping in view the requirement of parallel operation, which of the $$3$$-phase connections given below are possible?
A
delta-delta to delta-star
B
delta-delta to star-delta
C
star-star to delta-star
D
delta-star to star-delta
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12