Electrical Machines Armature reaction in DC generators will result in increase in slip. short circuit. reduction in generated emf. open circuit. increase in slip. short circuit. reduction in generated emf. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be heavily loaded and over excited lightly loaded and over excited heavily loaded and underexcited lightly loaded and underecited heavily loaded and over excited lightly loaded and over excited heavily loaded and underexcited lightly loaded and underecited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using zig - zag connection. V connection. delta connection. star connection. zig - zag connection. V connection. delta connection. star connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will slightly decrease. not change. slightly increase. None of these slightly decrease. not change. slightly increase. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To have sparkless commutation, the armature reaction effect in a DC machine is neutralized by increasing field excitation. compensating winding and commutating poles. shifting the brush axis from GNA to MNA. fixing the brush axis inline with the pole axis. increasing field excitation. compensating winding and commutating poles. shifting the brush axis from GNA to MNA. fixing the brush axis inline with the pole axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip rings of an induction motors are made of carbon. aluminium. stainless steel. phosphor bronze. carbon. aluminium. stainless steel. phosphor bronze. ANSWER DOWNLOAD EXAMIANS APP
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