Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 40% 10% 5% 19% 40% 10% 5% 19% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as None of these an induction motor a synchronous motor an induction generator None of these an induction motor a synchronous motor an induction generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For 250 volt DC Shunt Motor the armature and field resistance are 0.5 ohm and 250 ohm respectively. What will be the back e.m.f. produced when it takes a load current of 21A. 150 V. 280 V. 220 V. 240 V. 150 V. 280 V. 220 V. 240 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generators are usually designed to develop armature voltages not exceeding 650 V because of the limitations imposed by starters commutator armature winding field winding starters commutator armature winding field winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a dc machine shunt resistance and armature resistance values are low and low high and low high and high low and high low and low high and low high and high low and high ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as rectifier. prime mover. power pump. rotating amplifier. rectifier. prime mover. power pump. rotating amplifier. ANSWER DOWNLOAD EXAMIANS APP
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