Electrical Machines The wattage rating of a ceiling fan motor will be 50 - 150 W. 200 - 250 W. 10 - 20 W. 250 - 500 W. 50 - 150 W. 200 - 250 W. 10 - 20 W. 250 - 500 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard control is basically a ___________ control method. Armature voltage control. Armature resistance control. Field control. Field diverter control. Armature voltage control. Armature resistance control. Field control. Field diverter control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the increase in the torque expressed as percentage of initial torque, if current drawn by the dc series motor is increased from 10A to 11A? 41% 10% 11% 21% 41% 10% 11% 21% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of resistance which must be added to obtain rated torque at 1000 rpm is 1.9 ohms. 5.7 ohms. 2.2 ohms. 6 ohms. 1.9 ohms. 5.7 ohms. 2.2 ohms. 6 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? None of these. DC shunt generator. DC series generator. Compounded DC generator. None of these. DC shunt generator. DC series generator. Compounded DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Synchronous speed. Shaft torque. Core loss component. Rotor speed. Synchronous speed. Shaft torque. Core loss component. Rotor speed. ANSWER DOWNLOAD EXAMIANS APP