Electrical Machines Flux density under trailing pole tips in case of generator will either increase or decrease increase decrease None of these either increase or decrease increase decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The overall power factor of an on load transformer is always lagging. depends on the power factor of the load. is always unity. is always leading. is always lagging. depends on the power factor of the load. is always unity. is always leading. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is used in elevators? DC series motor. DC shunt motor. DC compound motor. None of these. DC series motor. DC shunt motor. DC compound motor. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is equal to that of second transformer. more than that of second transformer. none of these. less than that of second transformer. equal to that of second transformer. more than that of second transformer. none of these. less than that of second transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be hollow. stiff. any of these. flexible. hollow. stiff. any of these. flexible. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the eddy current loss. to reduce the inductor. to reduce the mass. to reduce the hysteresis loss. to reduce the eddy current loss. to reduce the inductor. to reduce the mass. to reduce the hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS