DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Shunt motor Series motor Air motor Battery operated motor Shunt motor Series motor Air motor Battery operated motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 2 poles 6 poles 4 poles 8 poles 2 poles 6 poles 4 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Series motor Either series or shunt None of the listed here Shunt motor Series motor Either series or shunt None of the listed here Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Field divertor Voltage regulator Armature divertor Potential divider Field divertor Voltage regulator Armature divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc shunt motors are used for driving Trains Hoist Cranes Machine tools Trains Hoist Cranes Machine tools ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens Nothing will happen to the motor This will make armature to take heavy current, possibly burning it Motor will run at very slow speed This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to the motor This will make armature to take heavy current, possibly burning it Motor will run at very slow speed This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses ANSWER DOWNLOAD EXAMIANS APP
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