Power Systems Percentage of carbon is highest in bituminous coal. anthracite coal. coal gas. lignite coal. bituminous coal. anthracite coal. coal gas. lignite coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 8 5 6 2 8 5 6 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 2 pu 4 pu 0.2 pu 0.5 pu 2 pu 4 pu 0.2 pu 0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 10.936 pu 9.936 pu 7.936 pu 8.936 pu 10.936 pu 9.936 pu 7.936 pu 8.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line corona effect skin effect All of these ferranti effect corona effect skin effect All of these ferranti effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Dynamic breaking Fast acting governing system All of these Fast acting excitation control Dynamic breaking Fast acting governing system All of these Fast acting excitation control ANSWER DOWNLOAD EXAMIANS APP