Electrical Machines Reactive power generated or delivered significantly depends on excitation. load angle. frequency. both 1 and 2. excitation. load angle. frequency. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a star - delta starting of an IM resistance is inserted in the rotor. line voltage is 57.7 % of stator voltage. applied voltage per stator phase is 57.7 % of a line volt reduced voltage is applied to the stator. resistance is inserted in the rotor. line voltage is 57.7 % of stator voltage. applied voltage per stator phase is 57.7 % of a line volt reduced voltage is applied to the stator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase slip ring induction motor is wound for 4 poles on stator and 6 poles on the rotor. When 3-phase balanced voltage source at 50 Hz is applied, it will run at 1000 rpm zero speed 750rpm 1500 rpm 1000 rpm zero speed 750rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field connection of a DC Shunt Motor is changed then motor will not run. it will run in opposite direction. it will run in same direction by slowly. it will run in same direction. motor will not run. it will run in opposite direction. it will run in same direction by slowly. it will run in same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V dc series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 Ω. The value of resistance which must be added to obtain rated torque at 1000 rpm is 6 Ω 1.9 Ω 2.2 Ω 5.7 Ω 6 Ω 1.9 Ω 2.2 Ω 5.7 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? Induction motor. DC Shunt Motor Synchronous motor. AC single phase motor. Induction motor. DC Shunt Motor Synchronous motor. AC single phase motor. ANSWER DOWNLOAD EXAMIANS APP
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