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 kWh. HP. W. kJ / S. kWh. HP. W. kJ / S. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by burning large amount of coal. using high temperature and high pressure steam. decreasing the load on the plant. using large quantity of water. burning large amount of coal. using high temperature and high pressure steam. decreasing the load on the plant. using large quantity of water. 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 Applicable for large power system network Time taken for each iteration is less Number of iterations are less both 1 and 2 Applicable for large power system network Time taken for each iteration is less ANSWER DOWNLOAD EXAMIANS APP
Power Systems Units of incremental cost is RsMW/hr Rs/MWhr Rs/hr MWhr/Rs RsMW/hr Rs/MWhr Rs/hr MWhr/Rs ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 83.76 kV 20 kV 52.84 kV 48.36 kV 83.76 kV 20 kV 52.84 kV 48.36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is Decoupled method All of these G-S method N-R method Decoupled method All of these G-S method N-R method ANSWER DOWNLOAD EXAMIANS APP