Control Systems Construction Root Loci Online Exam Quiz
Control Systems Construction Root Loci GK Quiz. Question and Answers related to Control Systems Construction Root Loci. MCQ (Multiple Choice Questions with answers about Control Systems Construction Root Loci
The loop transfer function of an LTI system is G(s)H(s) =K(s+1)(s+5)/s(s+2)(s+3). For K>0, the point on the real axis that does not belong to the root locus of the system is
Options
A : -0.5
B : -2.5
C : -3.5
D : -5.5
The angles of asymptotes of the root loci of the equation s3+5s2+(K+2)s+K=0 are:
Options
A : 0° and 270°
B : 0° and 180°
C : 90° and 270°
D : 90° and 180°
The OLTF of a unity feedback system is K(s+2)(s+4)/(s+5)(s+6) the angle of arrival of the root loci as s =-2, and s =-4 respectively are:
Options
A : 0°,180°
B : 180°,0°
C : 90°,180°
D : 180°, 90°
The characteristic equation is s3+14s2+(45+K)s+K =0, centroid is located at (-x,0) then the value of x is ____________
Options
A : 1
B : 2
C : 3
D : 4
The intersection of asymptotes of root loci of a system with open loop transfer function G(s)H(s) = K/s(s+1)(s+3) is
Options
A : 1.44
B : 1.33
C : -1.44
D : -1.33
The characteristic equation of a control system is given as 1+ K(s+4)/s(s+7)(s2+2s+2)=0. The real axis intercept for root locus asymptote is:
Options
A : -2.25
B : -1
C : -1.67
D : 0
The open loop transfer function of the feedback control system is given by G(s) =K(s+3)/s(s+4)2(s+5)(s+6). The number of asymptotes and the centroid of asymptotes of the root loci of closed loop system is
Options
A : 4 and (-4,0)
B : 3 and (-12,0)
C : -4 and (-4,0)
D : -3 and (-12,0)
If a feedback control system has its open loop transfer function G(s)H(s) = K/(s-2)(s2+3s+5) has the root locus plot which intersects the imaginary axis at s =0, then the value of K at this point will be
Options
A : -5
B : 10
C : 5
D : -10
With reference to root locus, the complex conjugate roots of the characteristic equation of the O.L.T.F. given below G(s)H(s) =K(s+3)/(s+1)2, lie on
Options
A : Straight line
B : Parabola
C : Circle
D : Semi-circle
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