Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 14 HP. 13 HP. 15 HP. 10 HP. 14 HP. 13 HP. 15 HP. 10 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by increasing number of poles. increasing of frequency. speed can not be increased. decreasing of frequency. increasing number of poles. increasing of frequency. speed can not be increased. decreasing of frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? Separately compound motor. DC series motor. Synchronous motor. Shunt motor. Separately compound motor. DC series motor. Synchronous motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is Both are correct. None of these Synchronous motor. DC Shunt Motor Both are correct. None of these Synchronous motor. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the armature of DC motor is directly proportional to The speed of motor. None of above. The torque required. The voltage across the terminals. The speed of motor. None of above. The torque required. The voltage across the terminals. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie under north pole. lie under south pole. there is no hard and fast rule for this. lie in the inter polar gaps. lie under north pole. lie under south pole. there is no hard and fast rule for this. lie in the inter polar gaps. ANSWER DOWNLOAD EXAMIANS APP