Power Systems Buchholz relay is used for protection of transformer. alternator. none of these. bus bar. transformer. alternator. none of these. bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which corona is visible with blue or violet colour corona is just initiated None of these both 1 and 2 corona is visible with blue or violet colour corona is just initiated None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The amount of ash content in Indian coal 20 %. 60 %. 45 %. 35 %. 20 %. 60 %. 45 %. 35 %. 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? (2 + j4 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (1 + j2 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (1 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line Both R and G depend on the conductivity of conductor forming the line. All of above. LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. Both R and G depend on the conductivity of conductor forming the line. All of above. LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A moderator material should have may be any of the above. large atomic mass. None of these small atomic mass. may be any of the above. large atomic mass. None of these small atomic mass. ANSWER DOWNLOAD EXAMIANS APP
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