The size of a excavator is usually expressed in terms of
A) cubic meters
B) travel in meters
C) angle of swing
D) 'crowd' motion
Correct Answer:
Verified
Q14: In synthetic fibre mills motor with
A)constant speeds
Q15: Which of the following motor is preferred
Q16: Reluctance motor is a
A)self-starting type synchronous motors
B)low
Q17: A reluctance motor
A)is compact
B)has high cost
C)requires starting
Q18: Power factor in case of reluctance motor
Q19: The efficiency of reluctance motor is around
A)95%
B)90%
C)75
Q20: A reluctance motor on over-load runs as
A)synchronous
Q22: Ward-Leonard controlled dc drives are generally used
Q23: Which electromagnet is preferred for noiseless operation
A)DC
Q24: For high frequency choppers the device that
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