1) For a unity feedback system with G(s) = 10 / s2, what would be the value of centroid?
a. 0
b. 2
c. 5
d. 10
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Answer
Explanation
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ANSWER: 0
Explanation:
No explanation is available for this question!
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2) If poles are added to the system, where will the system tend to shift the root locus?
a. To the left of an imaginary axis
b. To the right of an imaginary axis
c. At the center
d. No shifting takes place
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Answer
Explanation
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ANSWER: To the right of an imaginary axis
Explanation:
No explanation is available for this question!
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3) If the system is specified by open loop transfer function G(s)H(s) = k / s(s+3) (s + 2), how many root loci proceed to end at infinity?
a. 2
b. 3
c. 5
d. 6
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Answer
Explanation
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ANSWER: 3
Explanation:
No explanation is available for this question!
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4) What should be the nature of root locus about the real axis?
a. Assymetric
b. Symmetric
c. Exponential
d. Decaying
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Answer
Explanation
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ANSWER: Symmetric
Explanation:
No explanation is available for this question!
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5) Which point on root locus specifies the meeting or collision of two poles?
a. Centroid
b. Break away point
c. Stability point
d. Anti-break point
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Answer
Explanation
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ANSWER: Break away point
Explanation:
No explanation is available for this question!
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6) For drawing root locus, the angle of asymptote yields the direction along which _________branches approach to infinity.
a. p + z
b. p - z
c. p / z
d. p x z
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Answer
Explanation
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ANSWER: p - z
Explanation:
No explanation is available for this question!
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7) While specifying the angle and magnitude conditions, angles are added whereas magnitudes get ________
a. Subtracted
b. Multiplied
c. Divided
d. All of the above
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Answer
Explanation
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ANSWER: Multiplied
Explanation:
No explanation is available for this question!
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8) Which condition is used to verify the existence of a particular point on the root locus?
a. Amplitude
b. Frequency
c. Magnitude
d. Angle
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Answer
Explanation
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ANSWER: Angle
Explanation:
No explanation is available for this question!
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9) Root locus specifies the movement of closed loop poles especially when the gain of system ________
a. Remains constant
b. Exhibit variations
c. Gives zero feedback
d. Gives infinite poles
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Answer
Explanation
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ANSWER: Exhibit variations
Explanation:
No explanation is available for this question!
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10) In second order system, which among the following remains independent of gain (k)?
a. Open loop poles
b. Closed loop poles
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: Open loop poles
Explanation:
No explanation is available for this question!
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