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? 1820W 2000W 1450W 1920W 1820W 2000W 1450W 1920W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. has no relation. directly. none of these. inversely. has no relation. directly. none of these. inversely. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An IM cannot run at synchronous speed because air friction will prevent it. induction motor will become synchronous motor. rotor torque will not be produced. none of above. air friction will prevent it. induction motor will become synchronous motor. rotor torque will not be produced. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in series motors shunt motors either of these None of these series motors shunt motors either of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of dynamically induced emf is utilized in transformer. choke. generator. thermocouple. transformer. choke. generator. thermocouple. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC motor is connected across the AC supply it will Run at normal speed. Not run. Burn. Run at lower speed. Run at normal speed. Not run. Burn. Run at lower speed. ANSWER DOWNLOAD EXAMIANS APP
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