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 %. 80.25 %. 78.96 %. 74.56 %. 79.33 %. 80.25 %. 78.96 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plant work? Bell-Coleman cycle Carnot cycle Rankine cycle Otto cycle Bell-Coleman cycle Carnot cycle Rankine cycle Otto cycle 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 0.1 pu 0.4 pu 0.2 pu 0.25 pu 0.1 pu 0.4 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? Q and V P and Q V and δ P and V Q and V P and Q V and δ P and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of re-striking voltage is dependent upon capacitance of the system only inductance of the system only resistance of the system only both 1 and 2 capacitance of the system only inductance of the system only resistance of the system only both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? star-star delta-delta delta-star star-delta star-star delta-delta delta-star star-delta ANSWER DOWNLOAD EXAMIANS APP
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