Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? star-star delta-star delta-delta star-delta star-star delta-star delta-delta star-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Nuclear power plant. Hydro electric power plant. Gas turbine plant. Thermal power plant. Nuclear power plant. Hydro electric power plant. Gas turbine plant. Thermal power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between none of above. the dam and the turbine in a hydro station. the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. none of above. the dam and the turbine in a hydro station. the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. 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? 45 kV 36 kV 40 kV 32 kV 45 kV 36 kV 40 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in coal gas. bituminous coal. anthracite coal. lignite coal. coal gas. bituminous coal. anthracite coal. lignite coal. ANSWER DOWNLOAD EXAMIANS APP
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