A class I contactor should be mechanically sound to withstand
A) 0.05 million times
B) 0.25 million times
C) 1.2 million times
D) 5.0 million times.
Correct Answer:
Verified
Q1: The number of operations per hour in
Q2: In case of contactors, the duty in
Q3: In case of contactors the ratio of
Q5: Which of the following pair is used
Q6: Belted wound rotor induction motors are preferred
Q7: The cooling time constant is usually
A)equal to
Q8: A motor of less than full load
Q9: Pole changing method of speed control is
Q10: To save the energy during braking
A)dynamic braking
Q11: To get speed higher than the base
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