Electrical Machines Transformer cooling and insulating oil must be of low BDV. low resistivity. high viscosity. low viscosity. low BDV. low resistivity. high viscosity. low viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of capacitor start induction motor. synchronous motor. repulsion start induction motor. transformer with secondary short circuited. capacitor start induction motor. synchronous motor. repulsion start induction motor. transformer with secondary short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts AC to DC. Both AC to DC and DC to AC. none of these. high voltage DC to low voltage DC. AC to DC. Both AC to DC and DC to AC. none of these. high voltage DC to low voltage DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 50 V. 100 V. 399 V. 230.2 V. 50 V. 100 V. 399 V. 230.2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to an induction motor, the air gap in a DC motor is more. same. less than 50%. between 50% and 90%. more. same. less than 50%. between 50% and 90%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same prime mover speed same voltage magnitude same frequency same phase sequence same prime mover speed same voltage magnitude same frequency same phase sequence ANSWER DOWNLOAD EXAMIANS APP
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