Electrical Machines The frame of an induction motor is made of stainless steel. closed grained cast iron. aluminium. silicon steel. stainless steel. closed grained cast iron. aluminium. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Power factor and field current. Armature current and torque. Armature current and field current. Torque and field current. Power factor and field current. Armature current and torque. Armature current and field current. Torque and field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC series motor is best suited for electric traction as It consume less power. It is cheaper in cost. It runs at very high speed at light load. It develops high starting torque. It consume less power. It is cheaper in cost. It runs at very high speed at light load. It develops high starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is prefered for which of the following rating? high current and low voltage low current and high voltage high current and high voltage low current and low voltage high current and low voltage low current and high voltage high current and high voltage low current and low voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is interpole winding field winding interpole and compensating windings together armature winding interpole winding field winding interpole and compensating windings together armature winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of armature reaction. None of these residual magnetism. permanent magnets. armature reaction. None of these residual magnetism. permanent magnets. ANSWER DOWNLOAD EXAMIANS APP