Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 2000W 1920W 1820W 1450W 2000W 1920W 1820W 1450W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Power factor and field current. Armature current and torque. Armature current and field current. Torque and field current. Power factor and field current. Armature current and torque. Armature current and field current. Torque and field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used to act as an oil storage. None of these for better cooling of transformer. to take up the expansion of oil due to temperature rise. to act as an oil storage. None of these for better cooling of transformer. to take up the expansion of oil due to temperature rise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Scott connections are used for any of the above. three phase to single phase transformation. three phase to two phase transformation. single phase to three phase transformation. any of the above. three phase to single phase transformation. three phase to two phase transformation. single phase to three phase transformation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? less than greater than any of the above equal to less than greater than any of the above equal to ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers operating in parallel will share the load depending on their per unit impedance leakage reactance ratings efficiency per unit impedance leakage reactance ratings efficiency ANSWER DOWNLOAD EXAMIANS APP