DC Motors The power mentioned on the name plate of an electric motor indicates The output power available at the shaft The power drawn in kW The power drawn in kVA The gross power The output power available at the shaft The power drawn in kW The power drawn in kVA The gross power ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking None of these Regenerative Plugging Dynamic braking None of these Regenerative Plugging Dynamic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Shaft Commutator Stator Frame Shaft Commutator Stator Frame 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 0.5 1.0 2.0 4.0 0.5 1.0 2.0 ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will stop The armature may burn The motor will continue to run The motor will run noisy The motor will stop The armature may burn The motor will continue to run The motor will run noisy ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Locomotive Centrifugal pump Lathe machine Air blower Locomotive Centrifugal pump Lathe machine Air blower ANSWER DOWNLOAD EXAMIANS APP
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