Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials U238 and Th232. U235, U233 and Pu239. None of these. U235 and Th239. U238 and Th232. U235, U233 and Pu239. None of these. U235 and Th239. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Beryllium. Water. Heavy water. Graphite. Beryllium. Water. Heavy water. Graphite. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 500 MVA 400 MVA 100 MVA 125 MVA 500 MVA 400 MVA 100 MVA 125 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is both 1 and 3 3×IR0 × Xn IR0 × Xn IN × Xn both 1 and 3 3×IR0 × Xn IR0 × Xn IN × Xn 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 Synchronous line both 1 and 2 Asynchronous line No need of same frequency for exchange of power Synchronous line both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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