Control System solved MCQs

Title
In an open loop control system In an open loop control systemA Output is independent of control input Output is dependent on control input Only system parameters have effect on the control output None of the above discuss The answer is: A. Output is independent of control input
For open control system which of the following statements is incorrect ? For open control system which of the following statements is incorrect ? Less expensive Recalibration is not required for maintaining the required quality of the output Construction is simple and maintenance easy Errors are caused by disturbances discuss The answer is: B. Recalibration is not required for maintaining the required quality of the output
A control system in which the control action is somehow dependent on the output isknown as A control system in which the control action is somehow dependent on the output isknown as Closed loop system Semiclosed loop system Open system None of the above discuss The answer is: A. Closed loop system
In closed loop control system, with positive value of feedback gain the overall gain ofthe system will In closed loop control system, with positive value of feedback gain the overall gain ofthe system will decrease increase be unaffected any of the above discuss The answer is: A. decrease
Which of the following is an open loop control system ? Which of the following is an open loop control system ? Field controlled D.C. motor Ward leonard control Metadyne Stroboscope discuss The answer is: A. Field controlled D.C. motor
Which of the following statements is not necessarily correct for open control system ? Which of the following statements is not necessarily correct for open control system ? Input command is the sole factor responsible for providing the control action Presence of non-linearities causes malfunctioning Less expensive Generally free from problems of non-linearities discuss The answer is: B. Presence of non-linearities causes malfunctioning
In open loop system In open loop system the control action depends on the size of the system the control action depends on system variables the control action depends on the input signal the control action is independent of the output discuss The answer is: D. the control action is independent of the output
has tendency to oscillate has tendency to oscillate. Open loop system Closed loop system Both a) and b) Neither a) nor b) discuss The answer is: B. Closed loop system
A good control system has all the following features except A good control system has all the following features except good stability slow response good accuracy sufficient power handling capacity discuss The answer is: B. slow response
A car is running at a constant speed of 50 km/h, which of the following is the feedbackelement for the driver ? A car is running at a constant speed of 50 km/h, which of the following is the feedbackelement for the driver ? Clutch Eyes Needle of the speedometer Steering wheel discuss The answer is: C. Needle of the speedometer
The initial response when the output is not equal to input is called The initial response when the output is not equal to input is called Transient response Error response Dynamic response Either of the above discuss The answer is: A. Transient response
A control system working under unknown random actions is called A control system working under unknown random actions is called computer control system digital data system stochastic control system adaptive control system discuss The answer is: C. stochastic control system
An automatic toaster is a ______ loop control system An automatic toaster is a ______ loop control system. open closed partially closed any of the above discuss The answer is: A. open
Any externally introduced signal affecting the controlled output is called a Any externally introduced signal affecting the controlled output is called a feedback stimulus signal gain control discuss The answer is: B. stimulus
A closed loop system is distinguished from open loop system by which of the following ? A closed loop system is distinguished from open loop system by which of the following ? Servomechanism Feedback Output pattern Input pattern discuss The answer is: B. Feedback
is a part of the human temperature control system is a part of the human temperature control system. Digestive system Perspiration system Ear Leg movement discuss The answer is: B. Perspiration system
By which of the following the control action is determined when a man walks along apath ? By which of the following the control action is determined when a man walks along apath ? Brain Hands Legs Eyes discuss The answer is: D. Eyes
is a closed loop system is a closed loop system. Auto-pilot for an aircraft Direct current generator Car starter Electric switch discuss The answer is: A. Auto-pilot for an aircraft
Which of the following devices are commonly used as error detectors in instruments ? Which of the following devices are commonly used as error detectors in instruments ? Vernistats Microsyns Resolvers Any of the above discuss The answer is: D. Any of the above
Which of the following should be done to make an unstable system stable ? Which of the following should be done to make an unstable system stable ? The gain of the system should be decreased The gain of the system should be increased The number of poles to the loop transfer function should be increased The number of zeros to the loop transfer function should be increased discuss The answer is: B. The gain of the system should be increased

Title

In an open loop control system

In an open loop control systemA

Output is independent of control input
Output is dependent on control input
Only system parameters have effect on the control output
None of the above

discuss

For open control system which of the following statements is incorrect ?

Less expensive
Recalibration is not required for maintaining the required quality of the output
Construction is simple and maintenance easy
Errors are caused by disturbances

discuss