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  • Question
  • A solenoid:


  • Options
  • A. can be used only in de circuits
  • B. is spring operated
  • C. is widely used in industrial automation
  • D. is related to an aneroid
  • E. None of the above

  • Correct Answer
  • is widely used in industrial automation 


  • Automation System problems


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    • 1. If the transient response of a system is overdamped:

    • Options
    • A. the value of the output exceeds the value of the input at times during the transient period.
    • B. the value of the output never exceeds the value of the input during the transient period.
    • C. the value of the output never stabilizes.
    • D. All of the above
    • E. None of the above
    • Discuss
    • 2. A disadvantage of Numerical Control (NC) is:

    • Options
    • A. the computer is not reliable
    • B. the tape and tape reader are not reliable
    • C. one operator is needed for each machine.
    • D. the machine tool can easily overheat
    • E. None of the above
    • Discuss
    • 3. A servo controlled robot:

    • Options
    • A. stop only at fixed points on each axis
    • B. can accelerate
    • C. must be hydraulically driven
    • D. must be electrically driven
    • E. None of the above
    • Discuss
    • 4. Three different aspects of colour are used to define specific colours. They are hue, saturation, and:

    • Options
    • A. metamer
    • B. value
    • C. gray scale
    • D. shading
    • E. None of the above
    • Discuss
    • 5. Actuators are used to:

    • Options
    • A. sense an object
    • B. activate a chemical
    • C. make a mechanical movement
    • D. All of the above
    • E. None of the above
    • Discuss
    • 6. The device that assembles groups of characters into complete messages prior to their entering the CPU is called:

    • Options
    • A. a compiler
    • B. an interpreter
    • C. a communications processor
    • D. an editor
    • E. None of the above
    • Discuss
    • 7. A semi-continuous operation means:

    • Options
    • A. the operation is continuous each shift, but stops between shifts
    • B. coffee breaks are allowed for the operator
    • C. a computer is a required part of the machine
    • D. each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
    • E. None of the above
    • Discuss
    • 8. Which of the following devices could be part of a sensor?

    • Options
    • A. thermometer
    • B. brake
    • C. relay
    • D. clutch.
    • E. None of the above
    • Discuss
    • 9. A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

    • Options
    • A. the system must make provision for new techniques.
    • B. there should be a common 3-D part description system.
    • C. the user must have access to both hardware and software
    • D. technical assistance must be provided to the user.
    • E. None of the above
    • Discuss
    • 10. Today's engineers feel that the ultimate solution to the CAD/CAM problem will be

    • Options
    • A. Animation
    • B. the microprocessor
    • C. turnkey systems
    • D. development of a more efficient display controller
    • E. None of the above
    • Discuss


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