Electrical Machines Which of the following motor used in hair dryers? Split phase IM. Synchronous motors. Cage induction motor. Shaded pole IM. Split phase IM. Synchronous motors. Cage induction motor. Shaded pole IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 90o. Greater than 90o. 0o. less than 90o. 90o. Greater than 90o. 0o. less than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss decrease. increase. remains constant. None of these decrease. increase. remains constant. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer the magnetic coupling between the primary and secondary winding can be increased by using transformer oil of better quality. using soft material for winding. using the magnetic core of low reluctance. increasing the number of turns. using transformer oil of better quality. using soft material for winding. using the magnetic core of low reluctance. increasing the number of turns. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V dc machine has an armature resistance of 1Ω.If the full-load current is 20 A, the differenc in the induced voltages when the machine is running as a motor and as a generator is zero 20 V 40 V 50 V zero 20 V 40 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in traction All of these computer printers food processing traction All of these computer printers food processing ANSWER DOWNLOAD EXAMIANS APP