Power Systems Which of the following statements is/are true? Corona is reduced by increasing the distance between the conductor decreasing the supply frequency increasing the radius of the conductor All of these increasing the distance between the conductor decreasing the supply frequency increasing the radius of the conductor All of these ANSWER DOWNLOAD EXAMIANS APP
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 The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.60 0.30 0.0060 0.0030 0.60 0.30 0.0060 0.0030 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant All of these load factor of the steam plant is increased the operating cost of the steam plant become optimum chances of the tripping of the system decrease All of these load factor of the steam plant is increased the operating cost of the steam plant become optimum chances of the tripping of the system decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reator thermal energy is obtained from fission of radioactive material. fusion of radioactive material. all of above. burning of fuel rods in oxygen. fission of radioactive material. fusion of radioactive material. all of above. burning of fuel rods in oxygen. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? calculation time is less only one equation is required memory required is less All of these calculation time is less only one equation is required memory required is less All of these ANSWER DOWNLOAD EXAMIANS APP