In which of the following applications the load on motor changes in cyclic order?
A) Electric shovels
B) Cranes
C) Rolling mills
D) All of the above
Correct Answer:
Verified
Q9: For a motor-generator set which of the
Q10: Which of the following motors is usually
Q11: Heat control switches are used in
A)transformers
B)cooling ranges
C)three
Q12: has relatively wider range of speed control.
A)Synchronous
Q13: In squirrel cage induction motors which of
Q15: Flame proof motors are used in
A)paper mills
B)steel
Q16: Which of the following machines has heavy
Q17: For derries and winches which of the
Q18: Battery operated scooter for braking uses
A)plugging
B)mechanical braking
C)regenerative
Q19: has least range of speed control.
A)Slip ring
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