Power Systems Which of the following decides the insulation level of 400 kV, EHV line? switching over voltage skin effect radio interference lighting voltage switching over voltage skin effect radio interference lighting voltage 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 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m 0.4×10-7× ln(d/r') H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m 0.4×10-7× ln(d/r') H/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? There is no skin effect in dc line HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line All of these There is no skin effect in dc line HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Kaplan Pelton Impeller Francis Kaplan Pelton Impeller Francis ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to reduce water hammer. increase flow rate of water. all of above. convert kinetic energy of water. reduce water hammer. increase flow rate of water. all of above. convert kinetic energy of water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? both 1 and 3 shoart transmission lines long transmission lines medium transmission lines both 1 and 3 shoart transmission lines long transmission lines medium transmission lines ANSWER DOWNLOAD EXAMIANS APP