Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation any of the above (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 Z1 = Z2 = Z0 any of the above (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 Z1 = Z2 = Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Water. Air. Hydrogen. Liquid. Water. Air. Hydrogen. Liquid. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by condenser. superheater. feed water pump. turbine. condenser. superheater. feed water pump. turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / delta. star / grounded star. delta / star. ground star / delta. delta / delta. star / grounded star. delta / star. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 19.60 kW 2.90 kW 9.81 kW 4.45 kW 19.60 kW 2.90 kW 9.81 kW 4.45 kW ANSWER DOWNLOAD EXAMIANS APP
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