Control Systems Objective Questions & Answers – Set 4

Electrical analogous quantity for dash-pot in force-current analogy is

Number of sign changes in the entries in 1st column of Routh array denotes the no. of

Find the type of the system whose G(s) = s+4/s²(s+2)(s+4) = ?

In the integral control of the single area system frequency error is reduced to zero. Then

F(s) = s² - 1/-s+8 What type of function is this ?

Based on relation between the arm impedances the filters can be categorized into how many types?

A controller transfer function is given by C(s) = (1+2s)/(1+0.2s). What is its nature and parameter?

A negative feedback closed loop system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage?

What is the effect of gain margin when the system gain is doubled?

None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system

When the polynomial is Hurwitz,

The transfer function of a system given by T(s) = - 100/s²+20s+100, The system is

In the above question, if a = 0.1, then the steady state error to unity ramp input will be

Slope of asymptote in Bode plot of 2nd order system is _____________________ per octave.

A system of constant voltage and constant frequency is called _________________ system.

A cascade of three linear time invariant systems is causal and unstable. From this we conclude that

The dc gain of a system represented by the transfer function 12 / {( s + 1 )( s + 3 )} is

With regard to filtering property, the lead compensator is

Error constants of a system are measure of

To achieve the optimum transient response, the indicating instruments are so designed as to

Transfer function of the control system depends on

Sparking between the contacts can be reduced by inserting

Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as

What is the full form of SPICE ?

Find the order of a system whose G(s) = s+6/s(s-2)(s-4) = ?

First Foster form of a LC network represents which element in the beginning?

The graph of an electrical network has N nodes and B branches. The number of links, L with respect to the choice of a tree, is given by

In force-current analogy, electrical analogous quantity for displacement (x) is

For a transfer function H (s) = P(s) / Q(s), where P (s) and Q (s) are polynomials in s. Then

Electrical analogous quantity for spring element (K) in force-voltage analogy is