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? 1450W 2000W 1820W 1920W 1450W 2000W 1820W 1920W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 1Ω. 0.23Ω. 0.25Ω. 0.5Ω. 1Ω. 0.23Ω. 0.25Ω. 0.5Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a 3 - phase to ground fault. 3 - phase fault. line to line fault. line to ground fault. 3 - phase to ground fault. 3 - phase fault. line to line fault. line to ground fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage and frequency supply voltage supply voltage and load supply voltage, frequency and load supply voltage and frequency supply voltage supply voltage and load supply voltage, frequency and load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly zig - zag star connected. zig - zag delta connected. star connected. delta connected. zig - zag star connected. zig - zag delta connected. star connected. delta connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Shunt Motor has disadvantage(s) of less expensive. none of above. constant speed. not suitable for rapidly changing loads. less expensive. none of above. constant speed. not suitable for rapidly changing loads. ANSWER DOWNLOAD EXAMIANS APP
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