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  • Question
  • What is proportional control?


  • Options
  • A. It has a discrete output for each error value
  • B. The controller output varies continuously over a range
  • C. The gain is independent of offset error.
  • D. All of the above
  • E. None of the above

  • Correct Answer
  • The controller output varies continuously over a range 


  • Automation System problems


    Search Results


    • 1. A LISP environment consists of a language, a programming environ¬ment, and:

    • Options
    • A. random-access storage
    • B. a processor
    • C. a large address
    • D. a set of functions
    • E. None of the above
    • Discuss
    • 2. The addition of _____ can reduce processing time.

    • Options
    • A. A buffer
    • B. An EPROM
    • C. A converter
    • D. A co-processor
    • E. None of the above
    • Discuss
    • 3. The real "brain" of an artificial intelligence system is referred to as:

    • Options
    • A. bubble memory
    • B. the expert system
    • C. recursive technology
    • D. natural language interfaces
    • E. None of the above
    • Discuss
    • 4. Advantages of robots include:

    • Options
    • A. increased productivity
    • B. ability to withstand hazardous environments
    • C. good return on investment and better company image
    • D. All of the above
    • E. None of the above
    • Discuss
    • 5. Time proportioning control:

    • Options
    • A. can be used on a PM550 programmable process controller
    • B. is less efficient than normal PID control
    • C. cannot use a TM990 micro¬computer
    • D. a and b above.
    • E. None of the above
    • Discuss
    • 6. A favourable reason for automation is to:

    • Options
    • A. decrease throughput
    • B. raises assembly cost
    • C. perform difficult operations
    • D. increase number of operations
    • E. None of the above
    • Discuss
    • 7. Which of the following method is used the results of a design analysis as a base for redesign decisions?

    • Options
    • A. The iterative design method
    • B. The direct method
    • C. The design selection method
    • D. All of the above
    • E. None of the above
    • Discuss
    • 8. Robots can increase productivity because:

    • Options
    • A. they do not take a vacation
    • B. they do not get tired
    • C. production quality is uniform
    • D. All of the above
    • E. None of the above
    • Discuss
    • 9. An intelligent robot can:

    • Options
    • A. make decisions
    • B. handle only small payloads
    • C. walk
    • D. speak
    • E. None of the above
    • Discuss
    • 10. A programmable controller:

    • Options
    • A. can be used on more than one machine during its lifetime.
    • B. can be reprogrammed in the field
    • C. requires considerable training before it can be used
    • D. (a) and (b) above
    • E. None of the above
    • Discuss


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