Electrical Machines The output power of any electrical motor is taken from the Motor frame. Armature. Coupling mounted on the shaft. Field. Motor frame. Armature. Coupling mounted on the shaft. Field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the starting torque becomes low. the starting current will be enormously high. the motor may run away. the motor may not start. the starting torque becomes low. the starting current will be enormously high. the motor may run away. the motor may not start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does the use the of height flux density value in transformer design lead to? Reduced iron loss. Reduced copper loss. Decrease in weight/KVA. Increase in weight/KVA. Reduced iron loss. Reduced copper loss. Decrease in weight/KVA. Increase in weight/KVA. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Shaded pole IM. Cage induction motor. Split phase IM. Synchronous motors. Shaded pole IM. Cage induction motor. Split phase IM. Synchronous motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will increase decrease not changed None of these increase decrease not changed None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? Compounded DC generator. DC series generator. DC shunt generator. None of these. Compounded DC generator. DC series generator. DC shunt generator. None of these. ANSWER DOWNLOAD EXAMIANS APP