DC Motors Which motor should be used for centrifugal pumps? Series motor Either series or shunt Shunt motor None of the listed here Series motor Either series or shunt Shunt motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 4.0 1.0 0.5 2.0 4.0 1.0 0.5 2.0 ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Core loss Friction loss Windage loss Copper loss Core loss Friction loss Windage loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Locomotive Air blower Lathe machine Centrifugal pump Locomotive Air blower Lathe machine Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field control method Voltage control method Armature resistance control method Field divertor method Field control method Voltage control method Armature resistance control method Field divertor method ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Economical Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal Economical Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS