Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is sinusoidal co- sinusoidal flat-topped rectangular sinusoidal co- sinusoidal flat-topped rectangular ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of aluminium. silicon steel. stainless steel. closed grained cast iron. aluminium. silicon steel. stainless steel. closed grained cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is magnetizing. demagnetizing. cross – magnetizing. ineffective. magnetizing. demagnetizing. cross – magnetizing. ineffective. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the eddy current loss. to reduce the mass. to reduce the inductor. to reduce the hysteresis loss. to reduce the eddy current loss. to reduce the mass. to reduce the inductor. to reduce the hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors provided with open slots have more breakdown torque. higher efficiency. less breakdown torque. leading power factor. more breakdown torque. higher efficiency. less breakdown torque. leading power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator frame in an induction motor is used to hold armature stamping in position. protect the whole machine. ventilate the armature. provide return path for the flux. hold armature stamping in position. protect the whole machine. ventilate the armature. provide return path for the flux. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS