Power System Analysis MCQ Part 2
Main: Power System Analysis MCQ
Which of the following is an objective of short circuit calculations
Which of the following is an objective of short circuit calculations:
- Evaluations of short-circuit withstand ratings of bus bars
- Calculation of fault voltage dips
- Protective relaying short-circuit requirement evaluation
- All of these
Correct answer: 4. All of these
The higher the X/R ratio PSA MCQ
The higher the X/R ratio, the _________ is the time for which the asymmetry in the total current will be sustained:
- Shorter
- Longer
Correct answer: 2. Longer
PSA Part 2 MCQ#3
Statement: In unbalanced three phase system it is quite sufficient to determine the currents and voltages in one phase, and then displace two other two phases:
- Statement is correct
- Statement is false
- Statement may be correct sometimes and false other times
Correct answer: 2. Statement is false
Which of following is the correct statement about effect grounded systems
Which of following is the correct statement about effect grounded systems:
- X0/X1 < 1.98, and R0/X0 <7
- X0/X1 < 8, and R0/X0 <3
- X0/X1 < 5, and R0/X0 <2
- X0/X1 < 3, and R0/X0 <1
Correct statement: 4. X0/X1 < 3, and R0/X0 <1
A graph that can be drawing without crossover of edges is termed as
A graph that can be drawing without crossover of edges is termed as:
- Planar graph
- Non-planar graph
Correct answer: 1. Planar graph
More MCQ on Power System Analysis:
- Power System Analysis MCQ Part 1
- Power System Analysis MCQ Part 2
- Power System Analysis MCQ Part 3
- Power System Analysis MCQ Part 4
- Power System Analysis MCQ Part 5
- Power System Analysis MCQ Part 6
- Power System Analysis MCQ Part 7
- Power System Analysis MCQ Part 8
- Power System Analysis MCQ Part 9
- Power System Analysis MCQ Part 10