Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 35 kA. 50 kA. 55 kA. 45 kA. 35 kA. 50 kA. 55 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to bounce back most of the neutrons that escape from the fuel core. none of above. stop the chain reaction. reduce the speed of the neutrons. bounce back most of the neutrons that escape from the fuel core. none of above. stop the chain reaction. reduce the speed of the neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in lignite coal. coal gas. bituminous coal. anthracite coal. lignite coal. coal gas. bituminous coal. anthracite coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the turbine and discharge drain. none of above. the heat ex-changer and the turbine in nuclear power plant. the dam and the turbine in a hydro station. the turbine and discharge drain. none of above. the heat ex-changer and the turbine in nuclear power plant. the dam and the turbine in a hydro station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance? 0.1 mH/Km 0 mH/Km 0.025 mH/Km 0.05 mH/Km 0.1 mH/Km 0 mH/Km 0.025 mH/Km 0.05 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV 40 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS