Electrical Machines In which transformer, the tertiary winding is used? Delta - star Star - star Star - delta Delta - delta Delta - star Star - star Star - delta Delta - delta ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 27°C. 32°C. 45°C. 35°C. 27°C. 32°C. 45°C. 35°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of running torque. efficiency. speed regulation. starting torque. running torque. efficiency. speed regulation. starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If iron loss and full load copper loss of any transformer are denoted by Pi and Pc, then the load corresponding to maximum efficiency is given by (Pi / Pc) × full Load. (Pi / Pc)0.5 × Full Load. (Pi / Pc)2 × full Load. (Pi / Pc)1.6 × full Load. (Pi / Pc) × full Load. (Pi / Pc)0.5 × Full Load. (Pi / Pc)2 × full Load. (Pi / Pc)1.6 × full Load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Exciting current of an induction motor is none of these. lesser than power transformer. equal as power transformer. higher than power transformer. none of these. lesser than power transformer. equal as power transformer. higher than power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be 50. 80. 18. 36. 50. 80. 18. 36. ANSWER DOWNLOAD EXAMIANS APP
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