Power Systems Reflection coefficient of voltage is Rv 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? unequal ice loading All of these increase power factor increase string efficiency unequal ice loading All of these increase power factor increase string efficiency 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
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near turbine. dam. tail race. reservoir. turbine. dam. tail race. reservoir. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by using high temperature and high pressure steam. using large quantity of water. decreasing the load on the plant. burning large amount of coal. using high temperature and high pressure steam. using large quantity of water. decreasing the load on the plant. burning large amount of coal. ANSWER DOWNLOAD EXAMIANS APP
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