A. Oil expeller
B. Floor mill
C. Lifts and hoists
D. Centrifugal pump
Related Mcqs:
- 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 - In jaw crushers a motor has to often start against ____________________ load?
A. heavy
B. medium
C. normal
D. low - For which of the following applications D.C. motors are still preferred ?
A. High efficiency operation
B. Reversibility
C. Variable speed drive
D. High starting torque - In which of the following applications variable speed operation is preferred ?
A. Exhaust fan
B. Ceiling fan
C. Refrigerator
D. Water pump - ________________ motor is a constant speed motor?
A. Synchronous motor
B. Schrage motor
C. Induction motor
D. Universal motor - A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is____________________?
A. slop speed operation
B. high starting torque
C. low windage losses
D. all of the above - RC coupling is generally confined to low power applications because of____________?
A. Large value of coupling capacitor
B. Low efficiency
C. Large number of components
D. None of the above - The rate of acceleration on suburban orurban services is restricted by the consideration of______________?
A. Engine power
B. Track curves
C. Passenger Discomfort
D. Track size - The rate of acceleration on suburban orurban service is in the range_________________?
A. 0.2 to 0.5 km phps
B. 1.6 to 4.0 km phps
C. 5 to 10 km phps
D. 15 to 25 km phps - The diameter of the rotor shaft for an electric motor depends on which of the following ?
A. r.p.m. only
B. Horse power only
C. Horse power and r.p.m.
D. Horse power, r.p.m. and power factor
