Power Systems Which of the following materials is/are used as moderators? All of these beryllium graphite heavy water All of these beryllium graphite heavy water ANSWER DOWNLOAD EXAMIANS APP
Power Systems Apart from the skin effect the non uniformity of the current distribution is also caused by bundled conductors All of these ferranti effect proximity effect bundled conductors All of these ferranti effect proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 20 13 21 10 20 13 21 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 7.936 pu 8.936 pu 10.936 pu 9.936 pu 7.936 pu 8.936 pu 10.936 pu 9.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inductance of single phase two wire line is given by 4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 2 6 16 10 2 6 16 10 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS