Electrical Machines Transformer action requires a constant magnetic flux. alternating electric flux. alternating magnetic lux. increasing magnetic flux. constant magnetic flux. alternating electric flux. alternating magnetic lux. increasing magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will None of these slightly decrease. not change. slightly increase. None of these slightly decrease. not change. slightly increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding is placed in the main field armature core pole shoe All of these main field armature core pole shoe All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of any electrical motor is taken from the Coupling mounted on the shaft. Field. Motor frame. Armature. Coupling mounted on the shaft. Field. Motor frame. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same frequency same prime mover speed same voltage magnitude same phase sequence same frequency same prime mover speed same voltage magnitude same phase sequence ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? less than any of the above greater than equal to less than any of the above greater than equal to ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS