D.C. shunt relays are made of
A) few turns of thin wire
B) few turns of thick wire
C) many turns of thin wire
D) many turns of thick wire
Correct Answer:
Verified
Q10: Thermal circuit breaker has
A)delayed trip action
B)instantaneous trip
Q11: Relays can be designed to respond to
Q12: Overload relays are of…… type.
A)induction
B)solid state
C)thermal
D)all above
Q13: Thermal overload relays are used to protect
Q14: Magnetic circuit breaker has _ trip action.
A)delayed
B)instantaneous
C)both
Q16: The relay operating speed depends upon
A)the spring
Q17: In order that current should flow without
Q18: Circuit breakers usually operate under
A)transient state of
Q19: Circuit breakers are essentially
A)current carrying contacts called
Q20: The current zero interruption, in oil and
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