Rotor Angle Stability - Electrical Engineering (MCQ) questions and answers

1)   What is / are the cause(s) for transient disturbance?

a. Sudden load changes
b. Faults in the power system
c. Switching operations
d. All of these
e. None of these
Answer  Explanation 

ANSWER: All of these

Explanation:
No explanation is available for this question!
2)   On what factors does the transient stability depend on?

a. Initial operating state
b. Severity of disturbances
c. Voltage instability
d. Both (a) and (b)
e. All of these
Answer  Explanation 

ANSWER: Both (a) and (b)

Explanation:
No explanation is available for this question!
3)   Which among these phenomenons is / are associated with angle stability?

a. Imbalance between the two generator torque
b. Stability or synchronism is lost
c. Surplus energy is stored up in the rotating masses
d. All of these
e. None of these
Answer  Explanation 

ANSWER: All of these

Explanation:
No explanation is available for this question!

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