Electrical Machines The principle of dynamically induced emf is utilized in generator. thermocouple. transformer. choke. generator. thermocouple. transformer. choke. 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 reduces field structure iron losses it gives more uniform air-gap flux distribution commutator action is not possible otherwise dc machines are comparatively low rating machines. it reduces field structure iron losses it gives more uniform air-gap flux distribution commutator action is not possible otherwise dc machines are comparatively low rating machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase machine A none of these any of the two machines machine B machine A none of these any of the two machines machine B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on both 1and 2 excitation load angle synchronous reactance both 1and 2 excitation load angle synchronous reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-phase transformer has its maximum efficiency at 60 percent of full load. At full load copper loss will be equal to core loss. more than core loss. zero. less than core loss. equal to core loss. more than core loss. zero. less than core loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is 50 Hz 40 HZ 60 Hz 25 Hz 50 Hz 40 HZ 60 Hz 25 Hz ANSWER DOWNLOAD EXAMIANS APP
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