Time Domain Analysis

Time Domain Analysis MCQ 1. The system with the open loop transfer function 1/s(1+s) is: a) Type 2 and order 1 b) Type 1 and order 1 c) Type 0…

Nyquist Stability Criterion

Nyquist Stability Criterion MCQ 1. Which principle specifies the relationship between enclosure of poles & zeros by s-plane contour and the encirclement of origin by q(s) plane contour? a) Argument…

Mathematical Preliminaries

Mathematical Preliminaries 1. Which of the following devices is used for conversion of co-ordinates? a) Microsyn b) Selsyn c) Synchro-resolver d) Synchro-transformer Answer: c Explanation: Synchro-Resolver is rotary transformer used…

Experimentation of Transfer Function

Experimentation of Transfer Function MCQ 1. The impulse response of a LTI system is a unit step function, then the corresponding transfer function is a) 1/s b) 1/s2 c) 1…

All-pass & Minimum-phase Systems

All-pass & Minimum-phase Systems 1. A minimum phase unity feedback system has a bode plot with a constant slope of -20dB/decade for all frequencies. What is the value of the…

Bode Plots MCQ

Bode Plots MCQ 1. Assertion (A): Relative stability of the system reduces due to the presence of transportation lag. Reason (R): Transportation lag can be conveniently handled by Bode plot.…

Polar Plots MCQ

Polar Plots MCQ 1. The constant M circle for M=1 is the a) straight line x=-1/2 b) critical point (-1j0) c) circle with r= 0.33 d) circle with r=0.67 Answer:…

Frequency Response MCQ

Frequency Response MCQ 1. Scientist Bode have contribution in : a) Asymptotic plots b) Polar plots c) Root locus technique d) Constant M and n circle Answer: a Explanation: Asymptotic…

Construction of Root Loci

Construction of Root Loci MCQ 1. 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 a) Straight…

Root Locus in Control Systems

Root Locus in Control Systems MCQ 1. Consider the loop transfer function K(s+6)/(s+3)(s+5) In the root locus diagram the centroid will be located at: a) -4 b) -1 c) -2…