Electrical Machines A series motor is efficiently suitable for high starting torque operation. none of these. constant speed operation. low starting torque operation. high starting torque operation. none of these. constant speed operation. low starting torque operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines internal characteristics are plotted between Vt vs Ia Eg vs load current Vt vs load current Eg vs Ia Vt vs Ia Eg vs load current Vt vs load current Eg vs Ia ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the supply terminal of a DC shunt motor are interchanged The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The direction of rotation will reverse. The motor will stop. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The direction of rotation will reverse. The motor will stop. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 900 rpm 850 rpm 950 rpm 1000 rpm 900 rpm 850 rpm 950 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf decreases. increases upto a limit and then remains almost constant. remains constant. increases. decreases. increases upto a limit and then remains almost constant. remains constant. increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.04, 1.96 0.02, 0.98 0.02, 1.98 0.04, 0.96 0.04, 1.96 0.02, 0.98 0.02, 1.98 0.04, 0.96 ANSWER DOWNLOAD EXAMIANS APP