Power Systems The characteristic impedance of a transmission line is Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5 pu 7 pu 5.353 pu 3.535 pu 5 pu 7 pu 5.353 pu 3.535 pu 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? 9.68 msec 2.63 msec 1.47 msec 4.68 msec 9.68 msec 2.63 msec 1.47 msec 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the value of line inductance None of these remains unaffected increase decrease None of these remains unaffected increase decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the total installed power capacity (MW) in West Bengal as published by ministry of power in 2011? 8113.27. 6114.05. 15515.22. 10000.32. 8113.27. 6114.05. 15515.22. 10000.32. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Cooling tower. Condenser. Wind turbine. Pulverising unit. Cooling tower. Condenser. Wind turbine. Pulverising unit. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS