Power Systems Buchholz relay is used for protection of alternator. none of these. bus bar. transformer. alternator. none of these. bus bar. transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to increase flow rate of water. reduce water hammer. convert kinetic energy of water. all of above. increase flow rate of water. reduce water hammer. convert kinetic energy of water. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Carbon. Aluminium. Copper. Silver. Carbon. Aluminium. Copper. Silver. 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 33 Ω 28 Ω 52 Ω 40 Ω 33 Ω 28 Ω 52 Ω 40 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 36 kV 32 kV 40 kV 45 kV 36 kV 32 kV 40 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pin insulators are used up to any voltage level 33 kV 11 kV 120 kV any voltage level 33 kV 11 kV 120 kV ANSWER DOWNLOAD EXAMIANS APP
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