Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? Francis Pelton None of these Kaplan Francis Pelton None of these Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for protection of equipment from ground faults measuring of safety voltage discharging residual energies All of these protection of equipment from ground faults measuring of safety voltage discharging residual energies All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding reactance grounding All of these isolated grounding resistance grounding reactance grounding All of these isolated grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas coolled reactor use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. use heavy water as coolant as well as moderator. use CO2. or helium as coolant and graphite the moderator. both B and C. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. use heavy water as coolant as well as moderator. use CO2. or helium as coolant and graphite the moderator. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines generator ratings. generated voltages. reactive powers. turbine inputs. generator ratings. generated voltages. reactive powers. turbine inputs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 10 100, 0.4 100, 10 4, 0.4 4, 10 100, 0.4 100, 10 4, 0.4 ANSWER DOWNLOAD EXAMIANS APP
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