# Power System Analysis MCQ Part 4

Power System Analysis MCQ Part 4

## The number of edges connected to a vertex or node is called

The number of edges connected to a vertex or node is called:

1. Degree
2. Rank
3. Path
4. Sub graph

## Which of the following is an advantage of sparse systems

Which of the following is an advantage of sparse systems:

1. Reduced round off errors
2. Small storage requirement
3. Direct solutions can be obtained faster
4. All of these

Correct answer: 4. All of these

## If the rotor angle δ in swing curve increases indefinitely it means

If the rotor angle δ in swing curve increases indefinitely it means:

1. System is unstable
2. System is stable
3. System is highly stable

Correct answer: 1. System is unstable

## Certain graph has 4 nodes and 7 elements, the number of links is

Certain graph has 4 nodes and 7 elements, the number of links is:

1. 3
2. 4
3. 11
4. 28

Explanation:

Formula: l = e – n + 1 = 7 – 4 + 1 = 4

## At a slack bus the quantities specified are

At a slack bus the quantities specified are:

1. P and Q
2. P and IVI
3. P and δ
4. IVI and δ

Correct answer: 4. IVI and δ

More MCQ on Power System Analysis: