Electrical Machines In electric locomotives which of the following motor are used ? DC series motor. DC compound motor. Synchronous motor. DC Shunt motor. DC series motor. DC compound motor. Synchronous motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 13 HP. 10 HP. 15 HP. 14 HP. 13 HP. 10 HP. 15 HP. 14 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with Slip ring induction motor. Reluctance motor. Synchronous motor. DC shunt motor. Slip ring induction motor. Reluctance motor. Synchronous motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 5 KVA transformer has a turns ratio of N1/N2 = 10. The impedance of primary winding is 3+j5 ohms while that of secondary winding is 0.5+j0.8 ohms. The impedance of transformer when referred to primary will be 8+j13 ohms 3.5+j5.8 ohms 53+j85 ohms 3.05+j5.08 ohms 8+j13 ohms 3.5+j5.8 ohms 53+j85 ohms 3.05+j5.08 ohms ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers operating in parallel will share the load depending on their efficiency ratings leakage reactance per unit impedance efficiency ratings leakage reactance per unit impedance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 3/4. 16/9. 4/3. 9/16. 3/4. 16/9. 4/3. 9/16. ANSWER DOWNLOAD EXAMIANS APP