GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle greater than or equal to same lesser than or equal to always less greater than or equal to same lesser than or equal to always less ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 7 3 + 2(1.41) 4.12 5 7 3 + 2(1.41) 4.12 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP if voltage is given by,v(t) = V₀ + V₁ cos(3t) + V₂ cos(5t)+ …RMS value is given by,√( V₀² + (V₁/√2)² + (V₂/√2)² + …)
GETCO Exam Paper (22-07-2015) Differential equation is required to be solved in _____ economical operation of power systems Finding efficiency of a transmission line Load flow studies Stability studies economical operation of power systems Finding efficiency of a transmission line Load flow studies Stability studies ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is not true about fuel cells? no recharging is needed more efficient need more than two electrode cost is higher than batteries no recharging is needed more efficient need more than two electrode cost is higher than batteries ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 130˚C 150˚C 180˚C 105˚C 130˚C 150˚C 180˚C 105˚C ANSWER EXPLANATION DOWNLOAD EXAMIANS APP insulation Class and temperature limit(in ˚C) is given below:Y - 90A- 105E- 120B-130F-155H-180C- above 180
GETCO Exam Paper (22-07-2015) Shunt capacitors in a substation consume active power delivers lagging VAR deliver active power consumes lagging VAR consume active power delivers lagging VAR deliver active power consumes lagging VAR ANSWER DOWNLOAD EXAMIANS APP
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