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SSC Scientific Assistant EC: Control Systems Quiz 6

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Question 1

A moving coil iron ammeter may be compensated for frequency errors by

Question 2

A run-time stack cannot be used in a round-robin scheduling system because of the______ nature of scheduling

Question 3

For the polynomial P(s) = s⁵ + s⁴ + 2s³ + 2s² + 3s + 15, the number of roots which lie in the right half of the s-plane is

Question 4

Consider two transfer functions

and

The 3-dB bandwidths of their frequency responses are respectively,

Question 5

Output rate control is used to improve the damping of the system given in the below figure. If the closed-loop system is required to have a damping factor of 0.5, what is the value of K₀?

Question 6

In the time domain analysis of feedback control systems which one pair of the following is not correctly matched?

Question 7

Which one of the following is the correct statement?
A minimum phase transfer function has

Question 8

An electromechanical closed-loop control system has the transfer function

Which one of the following is correct?

Question 9

Consider the following statements in connection with frequency domain specifications of a control system:
1) Resonant peak and peak overshoot are both functions of the damping ratio

only
2) The resonant frequency

3) Higher the resonant peak, higher is the maximum overshoot of the step response.
Which of the statements given above are correct?

Question 10

When gain K of the open loop transfer function of order greater than unity is varied from zero to infinity, the closed loop system.

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ESE & GATE EC Control Systems

Sep 22ESE & GATE EC