Power Systems Advantages of higher transmission voltage is/are Transmission line losses are reduced Power transfer capability of the transmission line is increased All of these Area of cross section and volume of the conductor is reduced Transmission line losses are reduced Power transfer capability of the transmission line is increased All of these Area of cross section and volume of the conductor is reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 0.5 F 2 F 4 F 1 F 0.5 F 2 F 4 F 1 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Cooling tower. Ash handling unit. Pulversing unit. Condenser. Cooling tower. Ash handling unit. Pulversing unit. Condenser. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 200 Ω 800 Ω 400 Ω 160 Ω 200 Ω 800 Ω 400 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be 6.5 MW 5.5 MW 8.5 MW 4.5 MW 6.5 MW 5.5 MW 8.5 MW 4.5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Half life is defined as none of above. the time required for full of atoms in a specimen disintegrate. the time required for one half of isotope to decay. the time required to spiliting of a heavy nucleus. none of above. the time required for full of atoms in a specimen disintegrate. the time required for one half of isotope to decay. the time required to spiliting of a heavy nucleus. ANSWER DOWNLOAD EXAMIANS APP
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