Power Systems The most commonly used material for insulators of overhead lines is glass porcelain mica PVC glass porcelain mica PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 66.66% 75% 25% 33.33% 66.66% 75% 25% 33.33% ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Thermal stability test. Load cycle tests. All of these. Impulse tests. Thermal stability test. Load cycle tests. All of these. Impulse tests. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials U238 and Th232. U235, U233 and Pu239. U235 and Th239. None of these. U238 and Th232. U235, U233 and Pu239. U235 and Th239. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers All of these cooling collect ash particals improving thermal efficiency All of these cooling collect ash particals improving thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass is none of these. minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. a mass of fissionable material required to stop a chain reaction. none of these. minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. a mass of fissionable material required to stop a chain reaction. ANSWER DOWNLOAD EXAMIANS APP