Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 45 ppm. 25 ppm. 35 ppm. 20 ppm. 45 ppm. 25 ppm. 35 ppm. 20 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field system has to be provided on stator unlike synchronous machines Where in it could be on any member, because it gives more uniform air-gap flux distribution it reduces field structure iron losses dc machines are comparatively low rating machines. commutator action is not possible otherwise it gives more uniform air-gap flux distribution it reduces field structure iron losses dc machines are comparatively low rating machines. commutator action is not possible otherwise ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the highest possible speed of turbo alternators? 4000 rpm 1500 rpm 3000 rpm 1000 rpm 4000 rpm 1500 rpm 3000 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in iron made tank of transformer. steel core in transformer. winding of transformer. transformer insulating oil. iron made tank of transformer. steel core in transformer. winding of transformer. transformer insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator without commutator is a AC generator DC generator DC motor induction motor AC generator DC generator DC motor induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control In one direction only. Above rated speed. Below rated speed. In both direction. In one direction only. Above rated speed. Below rated speed. In both direction. ANSWER DOWNLOAD EXAMIANS APP