Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 625 W 700 W 650 W 600 W 625 W 700 W 650 W 600 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers produce working flux both A and B flux path completion mechanical protection to the machine produce working flux both A and B flux path completion mechanical protection to the machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the armature electric current is increased to double its previous value, and the time of commutation is halved, how will the reactance voltage vary? It will becomes four times. It will be halved. It will be doubled. It will remain the same. It will becomes four times. It will be halved. It will be doubled. It will remain the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. All of these reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the starting current will be enormously high. the motor may run away. the starting torque becomes low. the motor may not start. the starting current will be enormously high. the motor may run away. the starting torque becomes low. the motor may not start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Motors for fans and pumps are selected in the rpm range 1440 to 2880. 375 to 500. 500 to 720. 720 to 920. 1440 to 2880. 375 to 500. 500 to 720. 720 to 920. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS