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Control Systems

Control Systems
In the cauer-2 form of LC network---------is series element and --------is shunt element respectively?

 L and C
 C and L
 C and C
 L and L

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Control Systems
The Laplace transform of a transportation lag of 5 seconds is

 1/(s-5).
 e-5s.
 e5s.
 1/(s+5).

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Control Systems
The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is

 1.6 sec.
 0.4 sec.
 2 sec.
 1.2 sec.

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Control Systems
For type 1 system with parabolic input, the steady state error is

 finite constant.
 infinite.
 indeterminate.
 zero.

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Control Systems
A system is stable for (where GM = Gain Margin and PM = Phase Margin):

 PM - ve.
 GM and PM both +ve.
 GM and PM both -ve.
 GM -ve.

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Control Systems
A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as

 e-t.
 et.
 etu(t).
 e-tu(t).

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