Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.4 pu 0.25 pu 0.1 pu 0.2 pu 0.4 pu 0.25 pu 0.1 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 38.6 31.7 23.9 35.45 38.6 31.7 23.9 35.45 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at unit head. unit horse power at all heads. maximum horse power. a minimum horse power. unit horse power at unit head. unit horse power at all heads. maximum horse power. a minimum horse power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is/are more reliable? Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method All of these Gauss-Siedel (GS) method Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method All of these Gauss-Siedel (GS) method ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a pressurized water reactor water is used at high pressure so that it is available is liquid from at about 280° C. both B and C. the coolant water boils in the reactor core. heavy water is used as both coolant and moderator. water is used at high pressure so that it is available is liquid from at about 280° C. both B and C. the coolant water boils in the reactor core. heavy water is used as both coolant and moderator. ANSWER DOWNLOAD EXAMIANS APP
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