Power Systems If skin depth is more, then skin effect is less either 1 or 2 None of these more less either 1 or 2 None of these more ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu 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 4 MΩ 16 MΩ 8 MΩ 32 MΩ 4 MΩ 16 MΩ 8 MΩ 32 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LG LL LLG LLL LG LL LLG LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line corona effect skin effect All of these ferranti effect corona effect skin effect All of these ferranti effect ANSWER DOWNLOAD EXAMIANS APP
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