A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 5 pu 1 pu 0.2 pu 0.25 pu TRUE ANSWER : ? YOUR ANSWER : ?
The power level of nuclear reactor can be increase by ( K = multiplication factor ) raising the value of K above 1, but later bringing it back to K = 1. lowering the value of K below 1 but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. raising the value of K above 1 and keeping it at raised value. TRUE ANSWER : ? YOUR ANSWER : ?
If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.5 pu 0.4 pu 1 pu 0.8 pu TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following method is/are more reliable? Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method All of these Gauss-Siedel (GS) method TRUE ANSWER : ? YOUR ANSWER : ?
If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 25 to 35 kV 33 to 50 kV any voltage above 33 kV 31.35 to 34.65 kV TRUE ANSWER : ? YOUR ANSWER : ?
What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 78.96 %. 80.25 %. 74.56 %. 79.33 %. TRUE ANSWER : ? YOUR ANSWER : ?
The flow duration curve at a given head of a hydroelectric plant is used to determine diversity factor for the plant. load factory at the plant. total power available at the site. total units of energy available. TRUE ANSWER : ? YOUR ANSWER : ?
Corona loss is ----------------- on hilly areas than as plain areas. less None of these more remain same TRUE ANSWER : ? YOUR ANSWER : ?
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix? 0.5 0.4 0.75 0.25 TRUE ANSWER : ? YOUR ANSWER : ?
A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 1.476 A. 14.76 A. 1 A. 14.7 mA. TRUE ANSWER : ? YOUR ANSWER : ?