Overload relays are of…… type.
A) induction
B) solid state
C) thermal
D) all above
Correct Answer:
Verified
Q7: Fault diverters are basically
A)fuses
B)relays
C)fast switches
D)circuit breakers
Q8: A thermal protection switch can protect against
A)short-circuit
B)temperature
C)overload
D)over
Q9: Arc in a circuit behaves as
A)a capackive
Q10: Thermal circuit breaker has
A)delayed trip action
B)instantaneous trip
Q11: Relays can be designed to respond to
Q13: Thermal overload relays are used to protect
Q14: Magnetic circuit breaker has _ trip action.
A)delayed
B)instantaneous
C)both
Q15: D.C. shunt relays are made of
A)few turns
Q16: The relay operating speed depends upon
A)the spring
Q17: In order that current should flow without
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