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  • Question
  • The two types of relays in a PC are:


  • Options
  • A. an output relay and a control relay
  • B. a control relay and a retentive relay
  • C. a retentive relay and a non-retentive relay
  • D. All of the above
  • E. None of the above

  • Correct Answer
  • an output relay and a control relay 


  • Automation System problems


    Search Results


    • 1. Which method uses the design analysis as a method for effecting the design?

    • 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
    • 2. The Ziegler-Nichols method:

    • Options
    • A. is a graphical solution method
    • B. can be used to determine gain factors of a PI loop
    • C. is a method of control
    • D. a and b above
    • E. None of the above
    • Discuss
    • 3. Light sensors:

    • Options
    • A. cannot be used a s limit switches.
    • B. come in a wide variety of mounting styles
    • C. work in direct sunlight
    • D. never use infrared light as light source
    • E. None of the above
    • Discuss
    • 4. Automation means:

    • Options
    • A. assisting or replacing humans with machines.
    • B. workers controlling machines.
    • C. increased productivity.
    • D. All of the above
    • E. None of the above
    • Discuss
    • 5. Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:

    • Options
    • A. logic
    • B. software
    • C. NC tape programming
    • D. computer graphics workstation
    • E. None of the above
    • Discuss
    • 6. Plotter accuracy is measured in terms of repeatability and:

    • Options
    • A. intelligence
    • B. vertical dimension
    • C. resolution
    • D. buffer size
    • E. None of the above
    • Discuss
    • 7. What Is a process variable?

    • Options
    • A. A manipulated variable
    • B. A controlled variable
    • C. A process parameter that changes value
    • D. All of the above
    • E. None of the above
    • Discuss
    • 8. Group technology brings together and organizes:

    • Options
    • A. automation and tool production
    • B. parts and simulation analysis
    • C. documentation and analysis
    • D. common parts, problems, and tasks
    • E. None of the above
    • Discuss
    • 9. The APT (automatically progra¬mmed tools) language is used with:

    • Options
    • A. large automation systems
    • B. drafting systems
    • C. programmable controllers
    • D. numerical controlled machines.
    • E. None of the above
    • Discuss
    • 10. The basic difference between broadband and baseband is:

    • Options
    • A. availability
    • B. capacity
    • C. reliability
    • D. transmission
    • E. None of the above
    • Discuss


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