Electrical Machines In a single phase induction motor, the starting torque developed is proportional to supply voltage V V² 1/V² 1/V supply voltage V V² 1/V² 1/V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a 3 - Φ wound induction motor is provided with heavy short-circuited end rings. single phase winding. three phase winding. heavy copper or aluminium bars placed in rotor slots. heavy short-circuited end rings. single phase winding. three phase winding. heavy copper or aluminium bars placed in rotor slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 57.7% 50% 33.3% 66.3% 57.7% 50% 33.3% 66.3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of less than 90° Greater than 90° 0° 90° less than 90° Greater than 90° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 1 V 2 V 0 V 4 V 1 V 2 V 0 V 4 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the advantages of parallel operation of alternators? All of these continuity supply is maintained Increase efficiency under light load conditions Increase in reliability All of these continuity supply is maintained Increase efficiency under light load conditions Increase in reliability ANSWER DOWNLOAD EXAMIANS APP