Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 6 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA 6 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Alternate formation and breakage of bubbles are called All of these water hamming. cavitations. surgfication. All of these water hamming. cavitations. surgfication. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Asynchronous tie line is a AC transmission line either 1 or 2 DC transmission line None of these AC transmission line either 1 or 2 DC transmission line None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine total power available at the site. load factory at the plant. total units of energy available. diversity factor for the plant. total power available at the site. load factory at the plant. total units of energy available. diversity factor for the plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 15 MJ/MVA 2.5 MJ/MVA 10.5 MJ/MVA 6 MJ/MVA 15 MJ/MVA 2.5 MJ/MVA 10.5 MJ/MVA 6 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are most economical as a peak load supply plant operating time is minimum All of these used as load frequency control most economical as a peak load supply plant operating time is minimum All of these used as load frequency control ANSWER DOWNLOAD EXAMIANS APP