Electrical Machines In an induction motor, the no-load slip is generally equal to 4 %. 1.5 %. less than 1 %. zero. 4 %. 1.5 %. less than 1 %. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? None of these Both type rotor. Cylindrical rotor. Salient pole rotor. None of these Both type rotor. Cylindrical rotor. Salient pole rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? DOL starter. Star-delta starter. All of these. Auto transformer starter. DOL starter. Star-delta starter. All of these. Auto transformer starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor remains same. None of these decreases. increases. remains same. None of these decreases. increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence? BRY BYR RBY All of these BRY BYR RBY All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5Ω and back back emf 200 V is 44 A. 40 A. 440 A. 400 A. 44 A. 40 A. 440 A. 400 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS