Power System - II (3150911) MCQs

MCQs of Symmetrical Components

Showing 31 to 33 out of 33 Questions
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31.
Zero sequence current can flow from line to transformer bank if the windings are in
(a) Grounded star/delta
(b) Delta/star
(c) Star/ grounded star
(d) Delta/delta
Answer:

Option (a)

32.
If positive, negative and zero sequence reactances of an element of power system are 0.3 pu, 0.3 pu and 0.8 pu respectively, then element would be
(a) Synchronous generator
(b) Synchronous motor
(c) Static load
(d) Transmission line
Answer:

Option (d)

33.
Negative sequence reactance of a transformer is
(a) Equal to the positive sequence reactance
(b) Larger than the positive sequence reactance
(c) Smaller than the positive sequence reactance
(d) Any of above
Answer:

Option (a)

Showing 31 to 33 out of 33 Questions
1 2 3 4