Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.54. 0.3. 1. 0.7. 0.54. 0.3. 1. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 20KVA 16KVA 0KVA 4KVA 20KVA 16KVA 0KVA 4KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Blv2. Bl2v2. Bl2v. Blv. Blv2. Bl2v2. Bl2v. Blv. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is co- sinusoidal rectangular sinusoidal flat-topped co- sinusoidal rectangular sinusoidal flat-topped ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Turbo alternators. Hydro alternators. None of these Aame in both alternators. Turbo alternators. Hydro alternators. None of these Aame in both alternators. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase transformer the magnitude of leakage reactance is twice that of resistance of both primary and secondary. With secondary short circuited, the input power factor is 1/√2 1/√5 1/3 2/√5 1/√2 1/√5 1/3 2/√5 ANSWER DOWNLOAD EXAMIANS APP