Control Systems Test Questions Start Creating PDF

MCQ: Which among the following units of PLC is adopted to convey the control plan to CPU?

1. Memory
2. Power supply unit
3. I/O interface
4. Programming software

MCQ: Which architectural unit/block of PLC decides the sequence of different operations to be executed by means of instructions written in memory?

1. Memory
2. Programming software
3. I/O interface
4. CPU

MCQ: Which among the following is a unique model of a system?

1. Transfer function
2. State variable
3. Both a and b
4. None of the above

MCQ: Which among the following is a disadvantage of modern control theory?

1. Implementation of optimal design
2. Transfer function can also be defined for different initial conditions
3. Analysis of all systems take place
4. Necessity of computational work

MCQ: Which mechanism in control engineering implies an ability to measure the state by taking measurements at output?

1. Controllability
2. Observability
3. Differentiability
4. Adaptability

MCQ: State model representation is possible using _________

1. Physical variables
2. Phase variables
3. Canonical state variables
4. All of the above

MCQ: Which among the following constitute the state model of a system in addition to state equations?

1. Input equations
2. Output equations
3. State trajectory
4. State vector

MCQ: Which principle specifies the relationship between enclosure of poles & zeros by s-plane contour and the encirclement of origin by q(s) plane contour?

1. Argument
2. Agreement
3. Assessment
4. Assortment

MCQ: If a Nyquist plot of G (jω) H (jω) for a closed loop system passes through (-2, j0) point in GH plane, what would be the value of gain margin of the system in dB?

1. 0 dB
2. 2.0201 dB
3. 4 dB
4. 6.0205 dB

MCQ: For Nyquist contour, the size of radius is _______

1. 25
2. 0
3. 1
4. ∞