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 Dynamic braking Regenerative Plugging None of these Dynamic braking Regenerative Plugging None of these 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? Commutator Frame Stator Shaft Commutator Frame Stator Shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Not run Burn due to heat produced in the field winding by eddy currents Run at normal speed Run at lower speed Not run Burn due to heat produced in the field winding by eddy currents Run at normal speed Run at lower speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Thermistor Thyratron Thyristor Transistor Thermistor Thyratron Thyristor Transistor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will burn Motor will run at very slow speed Motor will run at very high speed Motor will not run at all Motor will burn Motor will run at very slow speed Motor will run at very high speed Motor will not run at all ANSWER DOWNLOAD EXAMIANS APP
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