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Control Systems
Force balancing equation of a dash-pot element is (where, x = displacement)
B dx/dt
None of these
B d2x/dt2
B *x
B dx/dt
None of these
B d2x/dt2
B *x
Answer
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Related Question
Control Systems
Which of the following transfer functions represent under damped second order systems?
2/(s² + 2s + 2)
4/(s² + 2s + 4)
1/(s² + s + 1)
All of these
2/(s² + 2s + 2)
4/(s² + 2s + 4)
1/(s² + s + 1)
All of these
Answer
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Control Systems
A unity feed back system has forward transfer function The range of k for the system to be stable is
0 < k < 39.
None of these
0 < k < 3900.
0 < k < 390.
0 < k < 39.
None of these
0 < k < 3900.
0 < k < 390.
Answer
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Control Systems
The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes?
60°
180°
360°
120°
60°
180°
360°
120°
Answer
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Control Systems
The unit step error coefficient of a system with unity feedback is
infinity.
0.
1.
1/6.
infinity.
0.
1.
1/6.
Answer
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Control Systems
The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0?
0°, 120°, 240°
60°, 180°, 300°
120°, 180°, 240°
0°, 180°, 300°
0°, 120°, 240°
60°, 180°, 300°
120°, 180°, 240°
0°, 180°, 300°
Answer
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