Electrical Machines Hunting phenomenon is observed in which motor? Induction motor. Both A and C. Synchronous motor. DC motor. Induction motor. Both A and C. Synchronous motor. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the eddy current loss if the supply frequency of a transformer becomes double? Eight times. Doubled. Remains same. Four times. Eight times. Doubled. Remains same. Four times. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results decrease in speed. increase in speed. open circuit. short circuit. decrease in speed. increase in speed. open circuit. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be lightly loaded and over excited heavily loaded and underexcited heavily loaded and over excited lightly loaded and underecited lightly loaded and over excited heavily loaded and underexcited heavily loaded and over excited lightly loaded and underecited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? None of these rotates opposite direction stationary rotates same direction None of these rotates opposite direction stationary rotates same direction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When an electric train is moving down a hill, the DC motor will operate as DC series generator. DC shunt generator. DC series motor. DC shunt motor. DC series generator. DC shunt generator. DC series motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS