Control System Engineering MCQ with Answers - Summary
Control Systems Engineers analyze user requirements to design automation systems that help equipment operate accurately. By understanding Control System Engineering MCQ with answers, you can enhance your knowledge about this vital field of study.
Control Systems are utilized in homes, factories, the military, and nearly every modern vehicle today. They are widely applied in SCADA and Industrial Automation systems, playing an essential role in regulating device operations in real-time.
Understanding Control Systems
Control systems can be classified into two main types: open-loop and closed-loop. In an open-loop control system, the output does not depend on any feedback from the system. This makes them simpler, but less accurate in some situations. On the other hand, closed-loop systems utilize feedback to adjust operations, allowing for more precise control.
Control System Engineering MCQ with Answers
In an open-loop control system
(a) Output is independent of control input
(b) Output is dependent on control input
(c) Only system parameters have an effect on the control output
(d) None of the above
For an open control system, which of the following statements is incorrect?
(a) Less expensive
(b) Recalibration is not required for maintaining the desired quality of the output
(c) Construction is simple and maintenance easy
(d) Errors are caused by disturbances
A control system in which the control action is somewhat dependent on the output is known as
(a) Closed-loop system
(b) Semi-closed-loop system
(c) Open system
(d) None of the above
In a closed-loop control system, with a positive value of feedback gain, the overall gain of the system will
(a) decrease
(b) increase
(c) be unaffected
(d) any of the above
Which of the following is an open-loop control system?
(a) Field controlled D.C. motor
(b) Ward Leonard control
(c) Metadyne
(d) Stroboscope
Which of the following statements is not necessarily correct for an open control system?
(a) Input command is the sole factor responsible for providing the control action
(b) The presence of non-linearities causes malfunctioning
(c) Less expensive
(d) Generally free from problems of non-linearities
In an open-loop system
(a) the control action depends on the size of the system
(b) the control action depends on system variables
(c) the control action depends on the input signal
(d) the control action is independent of the output
Has the tendency to oscillate.
(a) Open-loop system
(b) Closed-loop system
(c) Both (a) and (b)
(d) Neither (a) nor (b)
A good control system has all the following features except
(a) good stability
(b) slow response
(c) good accuracy
(d) sufficient power handling capacity
A car is running at a constant speed of 50 km/h, which of the following is the feedback element for the driver?
(a) Clutch
(b) Eyes
(c) Needle of the speedometer
(d) Steering wheel
(e) None of the above
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