Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 4 mm. 0.2 mm. 2 mm. 0.4 mm. 4 mm. 0.2 mm. 2 mm. 0.4 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 6 5 3 12 6 5 3 12 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 12.5 A 15 A 6.25 A 10 A 12.5 A 15 A 6.25 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 80 MW 20 MW 15 MW 10 MW 80 MW 20 MW 15 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 6 pu 2 pu 2.67 pu 5 pu 6 pu 2 pu 2.67 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems MCB stands for miniature circuit breaker. minimum capacity breaker. molded circuit breaker. maximum capacity breaker. miniature circuit breaker. minimum capacity breaker. molded circuit breaker. maximum capacity breaker. ANSWER DOWNLOAD EXAMIANS APP