CONTROL SYSTEM SET 20

CONTROL SYSTEM SET 20

1. Plot of the constant gain loci of the system is
a) Asymptote
b) Circle with centre at the origin
c) Parabola
d) Ellipse
Ans: (b)
 
2. If poles are more than zeros in G(S) F(S), then number of root locus segment is equal to
a) Number of poles
b) Number of zeros
c) Sum of poles and zeros
d) Difference of poles and zeros
Ans: (a)
 
3. In root locus technique, angle between adjacent asymptote is
a) 180°/(m + n)
b) 360°/(m + n)
c) 360°/(m - n)
d) 180°/(m - n)
Ans: (c)
 
4. For G(S) F(S) = (k(S+z))/(S+p), (z < p) the plot is
a) One pole on the imaginary axis
b) One zero on the right-hand side of the plane
c) One pole and one zero on the left-hand side of plane
d) 2 poles and 2 zeros on the left-hand side of plane
Ans: (c)
 
5. Frequency response mean
a) Transient response of a system to a sinusoidal input
b) Steady state response of a system to a sinusoidal input
c) Oscillatory response of a system to a sinusoidal input
d) None of these
Ans: (b)
 
6. Number of root-locus segment which do not terminate on the zeros is equal to
a) Number of poles
b) Number of zeros
c) Sum of poles and zeros
d) Difference of poles and zeros
Ans: (d)
 
7. Bode plot approach is applied to
a) Minimum phase network
b) Non minimum phase network
c) Any network
d) None of these
Ans: (a)
 
8. In a root locus plot, the increase in 𝓴 will
a) Increase damping ratio
b) Decrease damping ratio
c) Not change damping ratio
d) None of these
Ans: (b)
 
9. The type of transfer function used in Bode plot is
a) G(s)
b) G(j)
c) G(jw)
d) G(js)
Ans: (a)
 
10. In a root locus plot, increase in 𝓴 will
a) Increase overshoot of the response
b) Decrease overshoot of the response
c) Not change overshoot of the response
d) None of these
Ans: (a)