Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 40% 5% 19% 10% 40% 5% 19% 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? Semi closed slots. None of above. Closed slots. Open slots. Semi closed slots. None of above. Closed slots. Open slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally 1000 ohms. Low. around 500 ohms. Infinitely large. 1000 ohms. Low. around 500 ohms. Infinitely large. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf decreases. increases. remains constant. increases upto a limit and then remains almost constant. decreases. increases. remains constant. increases upto a limit and then remains almost constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is slip X 59 / 3. slip X 50 / 3. 1. slip X 69 / 3. slip X 59 / 3. slip X 50 / 3. 1. slip X 69 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when the generator runs on full load. the generator runs on designed speed. there is no load on the generator. the generator runs on overload. the generator runs on full load. the generator runs on designed speed. there is no load on the generator. the generator runs on overload. ANSWER DOWNLOAD EXAMIANS APP
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