Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/(1-S) 1/S 1-S S 1/(1-S) 1/S 1-S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 270. 30. 45. 180. 270. 30. 45. 180. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM has a rotor speed of 987 rpm find rotor frequency? 0.65 Hz. 0.70 Hz. 60 Hz. 0.75 Hz. 0.65 Hz. 0.70 Hz. 60 Hz. 0.75 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the highest possible speed of turbo alternators? 4000 rpm 1500 rpm 3000 rpm 1000 rpm 4000 rpm 1500 rpm 3000 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shunt dc motor the direction of rotation of the motor will reversed. When either field terminals are reversed or armature terminals are reversed. only field terminals are changed. only armature terminals are reversed. none of above. either field terminals are reversed or armature terminals are reversed. only field terminals are changed. only armature terminals are reversed. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of statically induced emf. dynamically induced emf. dynamically and statically induced emf. None of these statically induced emf. dynamically induced emf. dynamically and statically induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
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