DC Motors The direction of rotation of a D.C. series motor can be changed by Interchanging field terminals None of these Either of (A) and (B) above Interchanging supply terminals Interchanging field terminals None of these Either of (A) and (B) above Interchanging supply terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Slip rings Field winding Armature winding Commutator Slip rings Field winding Armature winding Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Field and armature resistance Speed Armature current Flux Field and armature resistance Speed Armature current Flux 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 power drawn in kW The gross power The power drawn in kVA The output power available at the shaft The power drawn in kW The gross power The power drawn in kVA ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Shunt motor only Compound motor only Both shunt and compound motor Series motor only Shunt motor only Compound motor only Both shunt and compound motor Series motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Brake test Hopkinson's test Swinburne's test Field test Brake test Hopkinson's test Swinburne's test Field test ANSWER DOWNLOAD EXAMIANS APP
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