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