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ESE 2019 Technical (Control Systems : Quiz 1 )

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Question 1

In the graph shown, which alphabet shows Steady State Error Response?

Question 2

Match List-I with List-II and select the correct answer using the code given below the lists:
List-I
A) PI control
B) PD control
C) PID control
D) On-off control
List-II
1) Relay controller
2) Lead lag compensator
3) Lead compensator
4) Lag compensator

Question 3

Statement (I) : In a prototype second order system the rise time t_r and bandwidth are inversely proportional.
Statement (II) : Increasing

increases bandwidth while t_r reduces.

Question 4

The system having characteristic equation:

is to be used as an oscillator. What are the values of K and the frequency of oscillation ω?

Question 5

Consider that in a system loop transfer function, addition of a pole results in the following:
1) Root locus gets pulled to the right-hand side.
2) Steady-state error is increased.
3) System responses gets slower.
Which of the above statements are correct?

Question 6

The open-loop transfer function of a unity feedback system is

The phase shift at ω = 0 and ω = ∞, will be respectively

Question 7

Servomechanism in control system relates to:

Question 8

If K1 = 1, K2 = 99 and T = 10, then action of lag lead control will be:

Question 9

Which one of the following represents the pole- zero location in the s-plane for lead- compensator?

Question 10

A liquid level controller linearly converts a displacement of 2 m to 3 m into 4 – 20 mA control signal A. relay serves as two position controller to open and close an inlet value Relay closes at 12 mA and opens at 10 mA. The hysteresis zone is.

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ESE & GATE EC Control Systems

Feb 11ESE & GATE EC