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 0.5Ω. 0.25Ω. 0.23Ω. 1Ω. 0.5Ω. 0.25Ω. 0.23Ω. 1Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be zero watt 30 W more than 30 W less than 30 W zero watt 30 W more than 30 W less than 30 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tappings of a transformer are provided at the phase end of lv side at the middle of hv side at the neutral side end of hv side at the phase end of hv side at the phase end of lv side at the middle of hv side at the neutral side end of hv side at the phase end of hv side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motors are used in food processing traction All of these cranes food processing traction All of these cranes ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? Equal to 1. Same as full load. High. Low. Equal to 1. Same as full load. High. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 10Ω 200Ω 100Ω 50Ω 10Ω 200Ω 100Ω 50Ω ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS