A. Starting characteristics
B. Operating speed
C. Horse power
D. Speed control
Related Mcqs:
- While selecting an electric motor for a floor mill, which electrical characteristics will be of least significance ?
A. Running characteristics
B. Starting characteristics
C. Efficiency
D. Braking - Which of the following is essentially needed while selecting a motor ?
A. Pulley
B. Starter
C. Foundation pedal
D. Bearings - While selecting motor for an air conditioner which of the following characteristics is of great importance ?
A. Type of bearings
B. Type of enclosure
C. Noise
D. Arrangement for power transmis¬sion
E. None of the above - ________________ 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 - The starting torque in case of centrifugal pumps is generally_________________?
A. less than running torque
B. same as running torque
C. slightly more than running torque
D. double the running torque - ___________________has least range of speed control?
A. Slip ring induction motor
B. Synchronous motor
C. D.C. shunt motor
D. Schrage motor - _______________has the least value of starting torque to full load torque ratio?
A. D.C. shunt motor
B. D.C. series motor
C. Squirrel cage induction motor
D. Slip ring induction motor - Which part of a motor needs maximum attention for maintenance ?
A. Frame
B. Rearing
C. Stator winding
D. Rotor winding - For which of the following applications motor has to start with high acceleration ?
A. Oil expeller
B. Floor mill
C. Lifts and hoists
D. Centrifugal pump
