Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 0o. Greater than 90o. 90o. less than 90o. 0o. Greater than 90o. 90o. less than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will remain unchanged. aprroach infinity. between zero and infinity. approach zero. remain unchanged. aprroach infinity. between zero and infinity. approach zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The overall power factor of an on load transformer is always lagging. depends on the power factor of the load. is always unity. is always leading. is always lagging. depends on the power factor of the load. is always unity. is always leading. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. none. semi closed or semi opened. always closed. always opened. none. semi closed or semi opened. always closed. always opened. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator sparking between brushes and commutator surface may be due to any of the above. too rapid reversal of current. under commutation. over commutation. any of the above. too rapid reversal of current. under commutation. over commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then the machine with more drooping characteristic will supply more load. the machine with more drooping characteristic will supply less load. None of these the machine will share load equally. the machine with more drooping characteristic will supply more load. the machine with more drooping characteristic will supply less load. None of these the machine will share load equally. ANSWER DOWNLOAD EXAMIANS APP
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