Electrical Machines In which transformer, the tertiary winding is used? Star - delta Star - star Delta - star Delta - delta Star - delta Star - star Delta - star Delta - delta ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 500 rpm 250 rpm 1000 rpm 2000 rpm 500 rpm 250 rpm 1000 rpm 2000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor electromagnetic torque developed is Proportional to the armature current. Proportional to the square of armature current. Inversely proportional to the armature current. None of above. Proportional to the armature current. Proportional to the square of armature current. Inversely proportional to the armature current. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 1000 rpm 950 rpm 975 rpm 940 rpm 1000 rpm 950 rpm 975 rpm 940 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed increased slightly. remains constant. increase proportional. reduce slightly. increased slightly. remains constant. increase proportional. reduce slightly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole stacking All of these pole chamfering compensating winding pole stacking All of these pole chamfering compensating winding ANSWER DOWNLOAD EXAMIANS APP
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