Electrical Machines A DC series motor is running with a divertor connected across its field winding. If the divertor resistance is reduced then the speed of the motor will decrease. remain unaltered. increase. become execessively high. decrease. remain unaltered. increase. become execessively high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 570 A. 460 A. 250 A. 340 A. 570 A. 460 A. 250 A. 340 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then the machine with more drooping characteristic will supply less load. None of these the machine with more drooping characteristic will supply more load. the machine will share load equally. the machine with more drooping characteristic will supply less load. None of these the machine with more drooping characteristic will supply more load. the machine will share load equally. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? None of these GNA either GNA or MNA MNA None of these GNA either GNA or MNA MNA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to variable frequency. windage friction. variable supply voltage. variable load. variable frequency. windage friction. variable supply voltage. variable load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? squirrel cage induction motor None of these either of these slip ring induction motor squirrel cage induction motor None of these either of these slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP