Electrical Machines For pure resistive load what is the armature reaction? demagnetization magnetization All of these cross magnetization demagnetization magnetization All of these cross magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor used for shears and punches is Cummulative compound motor. Series motor. Shunt motor. Differential compound motor. Cummulative compound motor. Series motor. Shunt motor. Differential compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the advantages of carbon brush over the copper brush? All of these In case of any sparking they will be less damaged than copper brushes They are not hard as copper brush They are self lubricating in nature All of these In case of any sparking they will be less damaged than copper brushes They are not hard as copper brush They are self lubricating in nature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? either GNA or MNA MNA None of these GNA either GNA or MNA MNA None of these GNA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to DOL starting, a cage induction motor with star-delta starting shall have reduced starting current. more starting torque. more starting time. smoother acceleration. reduced starting current. more starting torque. more starting time. smoother acceleration. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 460 A. 570 A. 340 A. 250 A. 460 A. 570 A. 340 A. 250 A. ANSWER DOWNLOAD EXAMIANS APP
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