DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Commutator Slip rings Armature winding Field winding Commutator Slip rings Armature winding Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will not run at all Motor will run at very high speed Motor will burn Motor will run at very slow speed Motor will not run at all Motor will run at very high speed Motor will burn Motor will run at very slow speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Winding Yoke Commutator Size of conductor Winding Yoke Commutator Size of conductor 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 Dynamic braking Plugging None of these Regenerative Dynamic braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The output power available at the shaft The gross power The power drawn in kW The power drawn in kVA The output power available at the shaft The gross power The power drawn in kW The power drawn in kVA ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Run at lower speed Burn due to heat produced in the field winding by eddy currents Not run Run at normal speed Run at lower speed Burn due to heat produced in the field winding by eddy currents Not run Run at normal speed ANSWER DOWNLOAD EXAMIANS APP
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