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 4 F 1 F 2 F 0.5 F 4 F 1 F 2 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 52 Ω 28 Ω 40 Ω 33 Ω 52 Ω 28 Ω 40 Ω 33 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Silver. Copper. Aluminium. Carbon. Silver. Copper. Aluminium. Carbon. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only None of these short transmission lines only long transmission lines only medium transmission lines only None of these short transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because higher saturation temperature than other fluids. all of above. relative low vaporization pressure. higher critical temperature and pressure. higher saturation temperature than other fluids. all of above. relative low vaporization pressure. higher critical temperature and pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LLG LLL LG LL LLG LLL LG LL ANSWER DOWNLOAD EXAMIANS APP
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