Power Systems The characteristic impedance of a transmission line is Inversely proportional to square root of its length. Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.25 pu 0.05 pu 0.15 pu 0.45 pu 0.25 pu 0.05 pu 0.15 pu 0.45 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is -1 1 -2 0 -1 1 -2 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems String efficiency depends upon no. of SCR in the string. voltage rating of whole string. all of these. voltage rating of one SCR. no. of SCR in the string. voltage rating of whole string. all of these. voltage rating of one SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are both A and B. gas turbine. thermal. hydro. both A and B. gas turbine. thermal. hydro. ANSWER DOWNLOAD EXAMIANS APP