Power System Planning and Design (2180903) MCQs

MCQs of Power system improvement

Showing 21 to 26 out of 26 Questions
1 2 3
21.
The load carrying capability of a long AC transmission line is
(a) Limited by the conductor size
(b) Limited by stability considerations
(c) Reduced at low ambient temperatures
(d) Decreased by the use of bundled conductors
Answer:

Option (b)

22.
Maximum power will be transferred from the sending end to the receiving end by a transmission line when
(a) Line reactance = √3 Line resistance
(b) Torque angle = 90o
(c) Both (a) and (b)
(d) None of above
Answer:

Option (c)

23.
Best location for use of a booster transformer in a transmission line is
(a) At the sending end
(b) At the receiving end
(c) At the intermediate point
(d) Anywhere in the line
Answer:

Option (c)

24.
Transient disturbances are caused by
(a) Sudden load change
(b) Switching operations
(c) Inadvertent tripping of the lines and generators
(d) All of above
Answer:

Option (d)

25.
Shunt compensation in a EHV line is resorted to
(a) Improve the stability
(b) Reduce the fault level
(c) Improve the voltage profile
(d) None of above
Answer:

Option (c)

26.
Most economic load on an overhead line is
(a) Greater than natural load
(b) Less than the natural load
(c) Equal to the natural load
(d) None of above
Answer:

Option (a)

Showing 21 to 26 out of 26 Questions
1 2 3