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  • Question
  • If the period of a sine wave is 0.001 second, the frequency of the sine wave is:


  • Options
  • A. 0.001 Hz
  • B. 1,000 Hz
  • C. 10,000 Hz
  • D. 10 Hz
  • E. None of the above

  • Correct Answer
  • 1,000 Hz 


  • Automation System problems


    Search Results


    • 1. Compared to humans, machines:

    • Options
    • A. can make more complex decisions based on unexpected circumstances
    • B. can work in harsher environments
    • C. make fewer errors
    • D. (a) and (c)
    • E. None of the above
    • Discuss
    • 2. The linking of PCs with a communi¬cations system is referred to as:

    • Options
    • A. workstations
    • B. streaming
    • C. turnkey systems
    • D. networking
    • E. None of the above
    • Discuss
    • 3. The method of solid modeling that defines the topology of faces, edges, and vertics, as well as data that defines the surface in which each face lies is called:

    • Options
    • A. constructive solid geometry
    • B. layering
    • C. boundary representation
    • D. isometric
    • E. None of the above
    • Discuss
    • 4. The computer graphics system called SKETCHPAD was demonstrated at

    • Options
    • A. Massachusetts Institute of Technology in 1963
    • B. Imperial college of Science and Technology, London, 1973
    • C. University of Aston, Birmingham, 1960
    • D. Cranfield Institute of Technology, London, 1962
    • E. None of the above
    • Discuss
    • 5. Which of the following affects the extent to which you are involved with the system development life cycle in your company?

    • Options
    • A. your job description
    • B. size of the organization
    • C. your relevant experience
    • D. All of the above
    • E. None of the above
    • Discuss
    • 6. Digitizers can be converted from "dumb" to "smart" through the addition of:

    • Options
    • A. a microprocessor
    • B. an electromagnetic coupling
    • C. keyboard
    • D. a scanner
    • E. None of the above
    • Discuss
    • 7. The physical arrangement of equipment in a network is called:

    • Options
    • A. topology
    • B. pairing
    • C. queuing
    • D. logic
    • E. None of the above
    • Discuss
    • 8. Pressure sensors:

    • Options
    • A. use the piezoresistive effect in strain gauge sensors
    • B. use an aneroid chamber with a variable resistance output
    • C. use capacitive variations to sense pressure
    • D. All of the above
    • E. None of the above
    • Discuss
    • 9. Which item best describes a CAM technology?

    • Options
    • A. Numerical control
    • B. Drafting
    • C. Documentation
    • D. Geometric modeling
    • E. None of the above
    • Discuss
    • 10. 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


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