This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Performance Indices”. 1. If the performance index of a phase lead compensator is (s+a)/ (s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied? a) a>b and p<q b) a>b and … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Design Considerations for Higher-Order Systems”. 1. Which one of the following statements is correct? The effects of the phase lead compensator or gain cross over frequency and the bandwidth are: a) That both are decreased b) That gain cross over frequency reduces … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Effect of Adding a Zero to a System – II”. 1. Which of the following can be measured by the use of a tacho-generator? a) Acceleration b) Speed c) Speed and acceleration d) Displacement 2. _____________ is not a final control element. … Read more
This set of Control Systems Quiz focuses on “Effect of Adding a Zero to a system and Design Specifications of Second-Order Systems”. 1. Assertion (A): The zeroes on the real axis near the origin are generally avoided in design. Reason (R): In a sluggish system introduction of zeroes can improve the transient response a) Both … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Steady-state Errors and Error Constants”. 1. The steady state error for a unity feedback system for the input r(t) = Rt^2/2 to the system G(s) = K(s+2)/s(s3+7s2+12s) is a) 0 b) 6R/K c) ∞ d) 3R/K 2. A control system is operated … Read more
This set of Control Systems test focuses on “Time Response of Second Order Systems – IV”. 1. The standard second order system to a unit step input shows the 0.36 as the first peak undershoot, hence its second overshoot is: a) 0.135 b) 0.216 c) 0.1296 d) 0.116 2. Consider the input with the inputs … Read more
This set of Control Systems Questions and Answers for Experienced people focuses on “Time Response of Second Order Systems – III”. 1. The unit impulse response of a second order system is 1/6e-0.8tsin(0.6t). Then the natural frequency and damping ratio of the system are respectively. a) 1 and 0.6 b) 1 and 0.8 c) 2 … Read more
This set of Control Systems Questions and Answers for Experienced people focuses on ” Time Response of Second Order Systems – II”. 1. What will be the nature of time response if the roots of the characteristic equation are located on the s-plane imaginary axis? a) Oscillations b) Damped oscillations c) No oscillations d) Under … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Time Response of Second Order Systems – I”. 1. Which of the following transfer function will have the greatest maximum overshoot? a) 9/(s2+2s+9) b) 16/(s2+2s+16) c) 25/(s2+2s+25) d) 36/(s2+2s+36) 2. A system generated by The ramp component in the forced response will … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Time Response of First Order Systems”. 1. First order system is defined as : a) Number of poles at origin b) Order of the differential equation c) Total number of poles of equation d) Total number of poles and order of equation … Read more
