Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 37 36 72 74 37 36 72 74 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of less than 90o. Greater than 90o. 90o. 0o. less than 90o. Greater than 90o. 90o. 0o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Universal motor. Synchronous motors. Reluctance motor. Slip ring induction motor. Universal motor. Synchronous motors. Reluctance motor. Slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? None of these Both type rotor. Salient pole rotor. Cylindrical rotor. None of these Both type rotor. Salient pole rotor. Cylindrical rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the armature of DC motor is directly proportional to The torque required. None of above. The speed of motor. The voltage across the terminals. The torque required. None of above. The speed of motor. The voltage across the terminals. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Shunt motor. Series motor. Cumulative compound motor. Differential compound motor. Shunt motor. Series motor. Cumulative compound motor. Differential compound motor. ANSWER DOWNLOAD EXAMIANS APP