Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for generation of voltage electromechanical energy conversion commutation development of torque generation of voltage electromechanical energy conversion commutation development of torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be pulsed wave. triangular wave. square wave. sine wave. pulsed wave. triangular wave. square wave. sine wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is none of above. demagnetising. crossmagnetising. magnetising. none of above. demagnetising. crossmagnetising. magnetising. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? either of these squirrel cage induction motor None of these slip ring induction motor either of these squirrel cage induction motor None of these slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an ideal DC generator the regulation is positive. high. low. zero. positive. high. low. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage across the open circuited field termninals of a synchorous machine under slip test is A modulated supply frequency AC voltage with slip frequency envelop. AC of supply frequency. DC. DC of slip frequency. A modulated supply frequency AC voltage with slip frequency envelop. AC of supply frequency. DC. DC of slip frequency. ANSWER DOWNLOAD EXAMIANS APP