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