Electrical Machines Transformer cooling and insulating oil must be of low resistivity. high viscosity. low BDV. low viscosity. low resistivity. high viscosity. low BDV. low viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 45°C. 27°C. 35°C. 32°C. 45°C. 27°C. 35°C. 32°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine will have maximum efficiency? DC motor. Induction motor. Electrical power generator. Electrical power transformer. DC motor. Induction motor. Electrical power generator. Electrical power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on color of the paint. air velocity. surface area. temperature difference. color of the paint. air velocity. surface area. temperature difference. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Commutator. Tap changer. Radiator. Conservator tank. Commutator. Tap changer. Radiator. Conservator tank. ANSWER DOWNLOAD EXAMIANS APP
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