DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Does not run as a generator None of these Also runs as a motor comes to stop after sometime Runs as a generator Does not run as a generator None of these Also runs as a motor comes to stop after sometime Runs as a generator ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which method of braking is generally used in elevators? None of these Plugging Rheostat braking Regenerative braking None of these Plugging Rheostat braking Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Accelerating the motor Avoiding excessive starting current Starting the motor Preventing fuse blowing Accelerating the motor Avoiding excessive starting current Starting the motor Preventing fuse blowing ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is More than the normal speed Zero Normal speed Loss than the normal speed More than the normal speed Zero Normal speed Loss than the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque will change but power will remain constant Torque, power and speed, all will change Torque and power both will change Torque will remain constant Torque will change but power will remain constant Torque, power and speed, all will change Torque and power both will change Torque will remain constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 15 HP Upto 20 HP Upto 10 HP Upto 5 HP Upto 15 HP Upto 20 HP Upto 10 HP Upto 5 HP ANSWER DOWNLOAD EXAMIANS APP
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