Power Systems Switchgear equipment include all of these. switches. relays and CB. fuses. all of these. switches. relays and CB. fuses. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 4.68 msec 9.68 msec 2.63 msec 1.47 msec 4.68 msec 9.68 msec 2.63 msec 1.47 msec 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. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. All of above. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. All of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Vacuum CB Sulphur hexafluoride CB Air blast CB Bulk oil type CB Vacuum CB Sulphur hexafluoride CB Air blast CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Nuclear power plant. Thermal power plant. Gas turbine plant. Hydro electric power plant. Nuclear power plant. Thermal power plant. Gas turbine plant. Hydro electric power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Number of iterations are less both 1 and 2 Time taken for each iteration is less Applicable for large power system network Number of iterations are less both 1 and 2 Time taken for each iteration is less Applicable for large power system network ANSWER DOWNLOAD EXAMIANS APP
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