Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 33.3% 50% 57.7% 66.3% 33.3% 50% 57.7% 66.3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is more expensive for same KW output rating ? Induction motor. AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. Synchronous motor. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase starting torque. breaking torque. power factor. cost of operation. starting torque. breaking torque. power factor. cost of operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, lap winding is used in high current and low voltage applications. where constant speed is required. where greater load is connected. high voltage and low current applications. high current and low voltage applications. where constant speed is required. where greater load is connected. high voltage and low current applications. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? None of these pure capacitive load pure resistive load pure inductive load None of these pure capacitive load pure resistive load pure inductive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test of 3-phase induction motor gives which of the following? both A and B constant loss variable loss None of these both A and B constant loss variable loss None of these ANSWER DOWNLOAD EXAMIANS APP
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