Electrical Machines It is an advisable to use auto transformer if the transformation ratio is near to 1. 0.25. Greater than 1. 0.5. near to 1. 0.25. Greater than 1. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control provides speed control in both direction. above rated speed. below rated speed. in one direction only. in both direction. above rated speed. below rated speed. in one direction only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To achieve spark less commutation brushes of DC generator are rocked ahead so as to bring them just ahead of magnetic neutral axis. just behind the magnetic neutral axis. in magnetic neutral axis. None of these just ahead of magnetic neutral axis. just behind the magnetic neutral axis. in magnetic neutral axis. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to less than 1 %. 1.5 %. zero. 4 %. less than 1 %. 1.5 %. zero. 4 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to suppress harmonic and unbalance in voltage. to carry extra load. to interconnect three voltage systems. None of these to suppress harmonic and unbalance in voltage. to carry extra load. to interconnect three voltage systems. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. variable. maximum. constant. minimum. variable. maximum. constant. minimum. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS