In overhead traveling cranes
A) continuous duty motors are used
B) slow speed motors are preferred
C) short time rated motors arc preferred
D) none of the above.
Correct Answer:
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Q9: In motor circuit static frequency changers are
Q10: In case of traveling cranes, the motor
Q11: The characteristics of drive for. crane hoisting
Q12: The capacity of a crane is expressed
Q13: The traveling speed of cranes varies from
A)1
Q15: 15 minute rated motors are suitable for
A)light
Q16: Light duty cranes are generally used in
A)automobile
Q17: Heavy duty cranes are used in
A)Heavy engineering
Q18: 1/2 hour rated motors are used for
A)light
Q19: Which of the following drive can be
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