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? 0.4 mm. 2 mm. 0.2 mm. 4 mm. 0.4 mm. 2 mm. 0.2 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only short transmission lines only None of these long transmission lines only medium transmission lines only short transmission lines only None of these long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus i sum of admittances connected at bus j which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus i sum of admittances connected at bus j ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for proper discharging of lighting surges reduce losses more surge impedance less surge impedance proper discharging of lighting surges reduce losses more surge impedance less surge impedance ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Francis turbine. Pelton wheel. propeller turbine. Kaplan wheel. Francis turbine. Pelton wheel. propeller turbine. Kaplan wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 1.476 A. 14.7 mA. 14.76 A. 1 A. 1.476 A. 14.7 mA. 14.76 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS