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- Power System Analysis, Stability & Computer Technique Test Questions - Set 3
MCQs 1: Why are series reactors used?
Improve the transmission efficiency
Improve the power factor of the power system
To bring down the fault level with in the capacity of the switchgear instrument
All of these
MCQs 2: What is an oriented graph?
A connection of network topology, represented by replacing all physical elements by lines.
A graph in which the direction is assigned to each branch.
A graph where at least one path exists between any two nodes of the graph.
None of these
MCQs 3: What is the element of the graph that is not included in the tree called?
MCQs 4: Why are load flow studies carried out?
To study of stability of the system
For fault calculations
For planning the power system
All of these
MCQs 5: Which among the following quantities are specified at the load bus?
MCQs 6: Which among the following quantities are specified at the generator bus?
MCQs 7: What percentage of buses in the power system are generator buses?
MCQs 8: Which among the following quantities are to be determined in voltage controlled bus?
MCQs 9: A balanced three phase system consists of _________.
Zero sequence currents only
Positive sequence currents only
Positive, negative and zero sequence currents
Only negative sequence currents
MCQs 10: What is the value of the letter ‘a’ or ‘α’ which is commonly used in symmetrical components?
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