Electrical Machines A 3 - Φ, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf? 2 Hz. 3 Hz. 50 Hz. 10 Hz. 2 Hz. 3 Hz. 50 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is not suitable for frequent starting and stopping? Capacitor split phase motor Capacitor run motor Resistance split phase motor All of these Capacitor split phase motor Capacitor run motor Resistance split phase motor All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure resistive load pure inductive load None of these pure capacitive load pure resistive load pure inductive load None of these pure capacitive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of closed grained cast iron. stainless steel. aluminium. silicon steel. closed grained cast iron. stainless steel. aluminium. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For standing a DC motor a starter is required because it limits the starting current to a safe value. None of these It starts the motor. it limits the speed of the motor. it limits the starting current to a safe value. None of these It starts the motor. it limits the speed of the motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutation in a DC machine may be explained as a process by virtue of which emf is induced in the armature conductors. by which electric current in a coil is reversed. how alternate flux affects the main field flux. in which magnetic field is set up. by virtue of which emf is induced in the armature conductors. by which electric current in a coil is reversed. how alternate flux affects the main field flux. in which magnetic field is set up. ANSWER DOWNLOAD EXAMIANS APP
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