 # Electrical Engineering Questions And Answers :: Power Systems: part4 Electrical Engineering : Power Systems QUESTIONS AND ANSWERS :: part4 : 16 to 20

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations :

 16.Gauss-Seidel iterative method can be used for solving a set of linear differential equations only linear algebraic equation only both linear and nonlinear algebraic equations both linear and nonlinear differential equations ANSWER : : linear algebraic equation only Explanation :
 17.A star-conneted 440 V, 50 Hz alternator has per phase synchronous reactance of 10 n. It supplies a bal anced capacitive load current of 20 A, as shown in per phase equivalent circuit of the given figure. It is desirable to have zero voltage regulation. The load power factor should be 0.82 0.47 0.39 0.92 ANSWER : s: a Explanation :
 18.The voltage of CI generator and an infinite bus are given as O.92LIO 0 and 1.0L'O 0 respectively. The active power will flow from generator to infinite bus infinite bus to generator the data is insufficient to judge none of the above ANSWER : s: a Explanation :
 19.If transformer frequency is changed from 60 Hz, to 60 Hz the ratio of eddy current loss 60 Hz to 50 Hz, at constant voltage will be 5/6 25/36 6/5 1.0 ANSWER : : 1.0 Explanation :
 20.The aingle pbase line of 280 V and 3 pha.e line of 400 V which feed different domestic circuit. and induetrial loade represent primary distribution secondary distribution secondary transmission none of the above ANSWER : : secondary distribution Explanation :

More Power Systems QUESTIONS AND ANSWERS available in next pages

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