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 For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 66.3% 33.3% 57.7% 50% 66.3% 33.3% 57.7% 50% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor used for shears and punches is Cummulative compound motor. Shunt motor. Differential compound motor. Series motor. Cummulative compound motor. Shunt motor. Differential compound motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.3. 0.7. 0.54. 1. 0.3. 0.7. 0.54. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 980 Watt. 1800 Watt. 1960 Watt. 1920 Watt. 980 Watt. 1800 Watt. 1960 Watt. 1920 Watt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power developed by salient pole synchronous machine is/are None of these excitation power only both 1 and 2 power due to saliency or reluctance only None of these excitation power only both 1 and 2 power due to saliency or reluctance only ANSWER DOWNLOAD EXAMIANS APP