Power Systems Condition for zero voltage regulation is tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of maximum. two - thirds of maximum. zero. one - third of minimum. one - third of maximum. two - thirds of maximum. zero. one - third of minimum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by burning large amount of coal. decreasing the load on the plant. using large quantity of water. using high temperature and high pressure steam. burning large amount of coal. decreasing the load on the plant. using large quantity of water. using high temperature and high pressure steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? medium transmission lines shoart transmission lines both 1 and 3 long transmission lines medium transmission lines shoart transmission lines both 1 and 3 long transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is lagging. leading. unity. zero. lagging. leading. unity. zero. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be 0.83. 0.44. 1.3. 0.25. 0.83. 0.44. 1.3. 0.25. ANSWER DOWNLOAD EXAMIANS APP
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