Electrical Machines The back emf produced in a dc motor depends on P and Z. P. none of these. Z. P and Z. P. none of these. Z. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is prefered for which of the following rating? low current and low voltage high current and high voltage low current and high voltage high current and low voltage low current and low voltage high current and high voltage low current and high voltage high current and low voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? All of these pole stacking compensating winding pole chamfering All of these pole stacking compensating winding pole chamfering ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve starting torque improve the power factor All of these reduce hunting improve starting torque improve the power factor All of these reduce hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shunt dc motor the direction of rotation of the motor will reversed. When only field terminals are changed. either field terminals are reversed or armature terminals are reversed. only armature terminals are reversed. none of above. only field terminals are changed. either field terminals are reversed or armature terminals are reversed. only armature terminals are reversed. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? None of these Cast iron bearings. Ball bearings. Bush bearings. None of these Cast iron bearings. Ball bearings. Bush bearings. ANSWER DOWNLOAD EXAMIANS APP
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