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MCQs 1: What percentage of faults occurring is single line to ground fault?

50 % 60 % 35 % 70 %
Answer Explanation

MCQs 2: What are cross country faults?

A fault occurring at any point of the power system Two or more faults occurring simultaneously on the power system Line to line fault All of these None of these
Answer Explanation

MCQs 3: What happens if the neutral is not grounded in case of the single line to ground fault?

Only the zero sequence impedance will be zero The zero sequence impedance will be infinite Fault current will be zero Both (b) and (c) All of these
Answer Explanation

MCQs 4: What happens to the value of the fault current in case of SLG fault, if fault impedance is introduced?

The fault current increase The fault current remains same as in case of SLG fault. The fault current becomes zero The fault current is reduced
Answer Explanation

MCQs 5: Which among theses quantities are to be determined in slack bus?

P and Q Q and |V| |V| and δ Q and δ
Answer Explanation

MCQs 6: Which among the following buses constitute the maximum number in a power system?

Slack bus P Q bus P V bus All of these None of these
Answer Explanation

MCQs 7: Which among the following is the main assumption to solve a load flow problem by GS method?

All the buses are to be considered as PQ bus including the slack bus. All the buses are to be considered as PV bus including the slack bus. All the buses are to be considered as PQ bus excluding the slack bus. All the buses are to be considered as PV bus excluding the slack bus.
Answer Explanation

MCQs 8: What is the value of acceleration factor used in the GS method?

2.3 – 2.7 1.6 – 2.0 1.2 – 1.5 2.4 – 2.9
Answer Explanation

MCQs 9: To control which among the following is the regulating transformer used in a power system?

Power flows Frequency Voltage Power factor
Answer Explanation

MCQs 10: Which types of equations are solved using Newton Raphson method?

Non linear differential equations Linear differential equations Non linear algebraic equations Both (a) and (b) All of these
Answer Explanation

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