Power Systems Which of the following statements is true? Corona loss increases with increase in conductor size and increase in supply frequency decrease in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency increase in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency increase in conductor size and decrease in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" < X' > X X" > X' >X X" < X' < X X" > X' < X X" < X' > X X" > X' >X X" < X' < X X" > X' < X ANSWER DOWNLOAD EXAMIANS APP
Power Systems The modern trend in electric power generation to have large number of small size thermal plants located at different places. to have large size thermal plant located near coal fields. none of above. to have large size thermal plants near load centre. to have large number of small size thermal plants located at different places. to have large size thermal plant located near coal fields. none of above. to have large size thermal plants near load centre. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.4 2000 5 0.22 0.4 2000 5 0.22 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.001 0.1 10 1000 0.001 0.1 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the firm capacity of plant is increased. kinetic energy of the running water is fully utilized. operating head is controlled. pressure inside the turbine casing remains. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. operating head is controlled. pressure inside the turbine casing remains. ANSWER DOWNLOAD EXAMIANS APP
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