Category: Control Systems

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Approximation of Higher-Order Systems by Lower-Order”. 1. A control system with excessive noise, is likely to suffer from?a) Saturation in amplifying stagesb) Loss of gainc) Vibrationsd) Oscillations 2. Zero initial condition for a system means?a) Input reference signal is zerob) Zero stored […]

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “State Variable Analysis – II”. 1. The minimum number of states require to describe the two degree differential equation:a) 1b) 2c) 3d) 4 2. For a system with the transfer function H(s) = 3(s-2)/s3+4s2-2s+1 , the matrix A in the state space […]

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “State Variable Analysis – I”. 1. Which among the following is a disadvantage of modern control theory?a) Implementation of optimal designb) Transfer function can also be defined for different initial conditionsc) Analysis of all systems take placed) Necessity of computational work 2. […]

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Robotic Control System – II”. 1. The laws of Robotics are:a) A robot may not injure a human beingb) A robot must abbey the order given by human except when conflict with the first lawc) A robot must protect its own existence […]

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Robotic Control System – I”. 1. A__________ translates signals from the controller into the motor voltage and current signals.a) Servo motorb) Servo amplifierc) AC motord) DC motor 2. Motors used for electronic actuator drives :a) AC servo motorsb) DC servo motorsc) Stepper […]

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Performance Indices”. 1. The compensator Gc(s) =5(1+0.3s)/(1+0.1s) would provide a maximum phase shift of:a) 20°b) 45°c) 30°d) 60° 2. The industrial controller having the best steady-state accuracy is:a) A derivative controllerb) An integral controllerc) A rate feedback controllerd) A proportional controller 3. […]

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Design Considerations for Higher-Order Systems”. 1. How does cascading an integral controller in the forward path of a control system affect the relative stability (RS) and the steady-state error of that system?a) RS and SSE are increasedb) RS is reduced nut SSE […]

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Effect of Adding a Zero to a System – II”. 1. _____________ is not a final control element.a) Control valveb) Potentiometerc) Electro-pneumatic converterd) Servomotor 2. Which of the following is the definition of proportional band of a controller?a) The range of air […]

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Effect of Adding a Zero to a System”. 1. Addition of zero increases the stability.a) Trueb) False 2. Zeroes are defined as:a) Roots of the denominator of the closed loop transfer functionb) Roots of the numerator of the closed loop transfer functionc) […]

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Steady-state Errors and Error Constants”. 1. A control system is operated with a parabolic input as shown below If Ka is static error constant of the system, then its dynamic error constant K2 isa) 0.01b) 0.02c) 0.03d) 0.04 2. Find the velocity […]