Power Systems Mho relay is used for the protection of short length lines. long transmission lines. medium length lines. no length criterion. short length lines. long transmission lines. medium length lines. no length criterion. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. All of above. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. All of above. G = 1/R where G is conductance of line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? All of these Initial cost of synchronous phase modifier is higher It requires more maintenance because of running equipment It consumes both active and reactive power All of these Initial cost of synchronous phase modifier is higher It requires more maintenance because of running equipment It consumes both active and reactive power ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 56 %. 14 %. 28 %. None of above 56 %. 14 %. 28 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Area under the daily curve divided by 24 gives average load maximum demand units generated maximum load average load maximum demand units generated maximum load ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 600 kV 400 kV 500 kV 350 kV 600 kV 400 kV 500 kV 350 kV ANSWER DOWNLOAD EXAMIANS APP
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