Power Systems The insulation of the modern EHV lines is designed based on the lighting voltage. the switch voltage. corona. R × I. the lighting voltage. the switch voltage. corona. R × I. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance increase. remains constant. decrease. none of above. increase. remains constant. decrease. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Impedance relays Admittance relays any of the above Mho relays Impedance relays Admittance relays any of the above Mho relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because all of above. higher saturation temperature than other fluids. higher critical temperature and pressure. relative low vaporization pressure. all of above. higher saturation temperature than other fluids. higher critical temperature and pressure. relative low vaporization pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.01 + j 0.02 per Km. 0.018 per Km. None of them. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. 0.09 + j 0.018 per Km. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from short circuits protection of equipment from open circuits All of these protection of equipment from external lightning protection of equipment from short circuits protection of equipment from open circuits All of these protection of equipment from external lightning ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS