Power Systems Rankine cycle efficiency of a steam power plant is of 45 - 80 %. 60 - 80 %. 20 - 30 %. 30 - 45 %. 45 - 80 %. 60 - 80 %. 20 - 30 %. 30 - 45 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates the average run off during the period. the discharge at any time during the period under consideration. All of these the maximum and minimum run off during the period. the average run off during the period. the discharge at any time during the period under consideration. All of these the maximum and minimum run off during the period. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 7.25 pu 4.28 pu 2.5 pu 3.75 pu 7.25 pu 4.28 pu 2.5 pu 3.75 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Water. Liquid. Air. Hydrogen. Water. Liquid. Air. Hydrogen. 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 A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 5 pu 0.25 pu 0.2 pu 1 pu 5 pu 0.25 pu 0.2 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
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