A motor of less than full load power rating can be used if the load is
A) continuous duty
B) short time duty
C) intermittent periodic duty
D) none of these.
Correct Answer:
Verified
Q3: In case of contactors the ratio of
Q4: A class I contactor should be mechanically
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
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
Q12: Rotor resistance speed control is used in
A)squirrel
Q13: Effect of friction torque is more pronounced
A)when
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