Power Systems In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is 55.56 MVAr. 61.73 MVAr. 40.5 MVAr. 45 MVAr. 55.56 MVAr. 61.73 MVAr. 40.5 MVAr. 45 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over voltages due to indirect lightning stroke. direct strokes of lightning. power frequency of over voltages. over currents due to lightning stroke. over voltages due to indirect lightning stroke. direct strokes of lightning. power frequency of over voltages. over currents due to lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying no. of ampere-turns. air gap of magnetic path. adjustable back up stop. none of these. no. of ampere-turns. air gap of magnetic path. adjustable back up stop. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Kaplan. Pelton. Francis. Impeller. Kaplan. Pelton. Francis. Impeller. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following is a medium and low head turbines Francis and Kaplan turbines. None of above. Pelton and Kaplan turbines. Kaplan and Francis turbines. Francis and Kaplan turbines. None of above. Pelton and Kaplan turbines. Kaplan and Francis turbines. ANSWER DOWNLOAD EXAMIANS APP