Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 400 Ω 200 Ω 160 Ω 320 Ω 400 Ω 200 Ω 160 Ω 320 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line G = 1/R where G is conductance of line. Both R and G depend on the conductivity of conductor forming the line. LC = μ ε and RG = σ ε. All of above. G = 1/R where G is conductance of line. Both R and G depend on the conductivity of conductor forming the line. LC = μ ε and RG = σ ε. All of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Over load Short circuit any of the above Temperature Over load Short circuit any of the above Temperature ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of W. kJ / S. kWh. HP. W. kJ / S. kWh. HP. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence, this must be a short line None of these this may either be a medium line or short line this expression is true for any line this must be a short line None of these this may either be a medium line or short line this expression is true for any line ANSWER DOWNLOAD EXAMIANS APP
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