Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 400 Ω 800 Ω 200 Ω 0 Ω 400 Ω 800 Ω 200 Ω 0 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which material is used in controlling chain reaction in a nuclear reactor Beryllium. Boron. Heavy water. Thorium. Beryllium. Boron. Heavy water. Thorium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Both A and B. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. Both A and B. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 400 MVA 125 MVA 500 MVA 100 MVA 400 MVA 125 MVA 500 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Aluminium. Carbon. Copper. Silver. Aluminium. Carbon. Copper. Silver. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine diversity factor for the plant. total units of energy available. load factory at the plant. total power available at the site. diversity factor for the plant. total units of energy available. load factory at the plant. total power available at the site. ANSWER DOWNLOAD EXAMIANS APP
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