Power Systems What should be the minimum depth (in metre)of cable trench to dug for laying of 1.1 kV? 0.90. 0.75. 1.20. 1.05. 0.90. 0.75. 1.20. 1.05. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is equal to unsectional bus bar. much higher than with unsectional bus bar. none of these. much lower than with unsectional bus bar. equal to unsectional bus bar. much higher than with unsectional bus bar. none of these. much lower than with unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. 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. 28 %. 56 %. 14 %. None of above 28 %. 56 %. 14 %. None of above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? both 1 and 2 None of these large requirement of computer memory large number of iterations both 1 and 2 None of these large requirement of computer memory large number of iterations 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
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