Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 79.33 %. 78.96 %. 80.25 %. 74.56 %. 79.33 %. 78.96 %. 80.25 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Condenser. Ash handling unit. Cooling tower. Pulversing unit. Condenser. Ash handling unit. Cooling tower. Pulversing unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of gauss siedel method is/are calculation time for each iteration is less number of iterations are less applicable for large power system network All of these calculation time for each iteration is less number of iterations are less applicable for large power system network All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are differential protection. none of these. fault bus protection. both fault bus and differential protection. differential protection. none of these. fault bus protection. both fault bus and differential protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.25 pu 0.4 pu 0.2 pu 0.1 pu 0.25 pu 0.4 pu 0.2 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.4 0.22 5 2000 0.4 0.22 5 2000 ANSWER DOWNLOAD EXAMIANS APP
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