Power Systems The most commonly used material for insulators of overhead lines is mica glass PVC porcelain mica glass PVC porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems Merze price current scheme protection is used in alternator. both A and B. bus bars. transformer. alternator. both A and B. bus bars. transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to absorb the excess. All of these to increase the energy of the neutrons. to slow down the neutrons. to absorb the excess. All of these to increase the energy of the neutrons. to slow down the neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 16 2 10 6 16 2 10 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 28 %. 14 %. 56 %. None of above 28 %. 14 %. 56 %. None of above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
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