Power Systems The most commonly used material for insulators of overhead lines is porcelain glass PVC mica porcelain glass PVC mica ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Telecommunication lines are transposed to reduce the radio interference in communication lines All of these voltage level efficiency radio interference in communication lines All of these voltage level efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are any of the above pin type insulator suspension type strain type any of the above pin type insulator suspension type strain type ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in None of these noise increases, pressure increases, velocity decreases. pressure increases. noise increases. None of these noise increases, pressure increases, velocity decreases. pressure increases. noise increases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 1.47 msec 4.68 msec 2.63 msec 9.68 msec 1.47 msec 4.68 msec 2.63 msec 9.68 msec ANSWER DOWNLOAD EXAMIANS APP
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