Power Systems Water hamming process in pen-stocks results in pressure increases. noise increases. noise increases, pressure increases, velocity decreases. None of these pressure increases. noise increases. noise increases, pressure increases, velocity decreases. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulator thickness on the conductor, in cables depends upon current power factor reactive power voltage current power factor reactive power voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to bounce back most of the neutrons that escape from the fuel core. reduce the speed of the neutrons. none of above. stop the chain reaction. bounce back most of the neutrons that escape from the fuel core. reduce the speed of the neutrons. none of above. stop the chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 50 kA. 55 kA. 35 kA. 45 kA. 50 kA. 55 kA. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Asynchronous line No need of same frequency for exchange of power both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power both 1 and 2 Synchronous line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 32 MΩ 8 MΩ 4 MΩ 16 MΩ 32 MΩ 8 MΩ 4 MΩ 16 MΩ ANSWER DOWNLOAD EXAMIANS APP
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