Electrical Machines The principle of dynamically induced emf is utilized in generator. transformer. thermocouple. choke. generator. transformer. thermocouple. choke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as a synchronous motor an induction generator None of these an induction motor a synchronous motor an induction generator None of these an induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately excited DC motor has an armature resistance of 0.5 Ohm. The supply voltage is 250V. Armature current is 20A and the speed of rotation is 1500 rpm. Find the torque developed? Zero 15.6 Nm 16.55 Nm 15.28 Nm Zero 15.6 Nm 16.55 Nm 15.28 Nm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At what power factor, the voltage regulation of a transformer can be zero ? Zero power factor. Unity power factor. Leading power factor. Lagging power factor. Zero power factor. Unity power factor. Leading power factor. Lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetic neutral armature co-ordinate. Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic no-load axis. Magnetic neutral armature co-ordinate. Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic no-load axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding is placed in the armature core All of these pole shoe main field armature core All of these pole shoe main field ANSWER DOWNLOAD EXAMIANS APP
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