Electrical Machines Slip rings of an induction motors are made of stainless steel. aluminium. carbon. phosphor bronze. stainless steel. aluminium. carbon. phosphor bronze. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on shaft torque. rotor speed. core loss component. synchronous speed. shaft torque. rotor speed. core loss component. synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Motors for fans and pumps are selected in the rpm range 1440 to 2880. 500 to 720. 375 to 500. 720 to 920. 1440 to 2880. 500 to 720. 375 to 500. 720 to 920. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, air gap power is 10 Kw and mechanically developed power is 8 Kw. What are the rotor ohmic losses? 3KW 1.5KW 2KW 0.5Kw 3KW 1.5KW 2KW 0.5Kw ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A voltmeter gives 120 oscillations per minute when connected to the rotor of an induction motor. The frequency is 50Hz. The slip of the motor is 2% 5% 4% 25% 2% 5% 4% 25% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding is placed in the armature core pole shoe main field All of these armature core pole shoe main field All of these ANSWER DOWNLOAD EXAMIANS APP
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