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All India SSC JE 2017 Electrical Engineering - Quiz 37
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Question 1
The flux/pole in a synchronous motor with stator not connected to supply is Φ1 and when connected to supply it is 3/4.Φ1 The no-load current drawn from the supply under this condition would be
Question 2
How many segments will be there for the commutator of a 6 pole d.c. machine having a simple wave wound armature with 72 slots?
Question 3
What are slot wedges in a dc machine, made of?
Question 4
The desirable features of a servomotor are
Question 5
Assertion (A) : A d.c. motor draws high current at the time of starting
Reason (R) : While starting a d.c. motor, it takes some time to develop a non-zero value of back e.m.f.
Reason (R) : While starting a d.c. motor, it takes some time to develop a non-zero value of back e.m.f.
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Sep 2ESE & GATE EE