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CSE :: Automation System

Automation System - Section 1
Automation System - Section 2
Automation System - Section 3
Automation System - Section 4
Automation System - Section 5

  1. Semiconductor devices:

    2. A.
    are less reliable than electro¬mechanical components
    B.
    usually have a very short MTBF (mean time between failure)
    C.
    have a very short infant mortality period
    D.
    All of the above
    E.
    None of the above

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  2. A drum timer is a good example of:

    3. A.
    an output actuator
    B.
    an input sensor
    C.
    a position sensor
    D.
    a sequence controller
    E.
    None of the above

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  3. The formula for memory capacity is:

    4. A.
    MC = N/2
    B.
    MC = 2/N
    C.
    MC = N squared.
    D.
    MC -2 to the Nth power
    E.
    None of the above

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  4. How is the integral mode implemented using analog methods?

    5. A.
    Op amp and resistors
    B.
    Op amp and a capacitor
    C.
    Op amp and an RC network to place the error voltage across the capacitor
    D.
    All of the above
    E.
    None of the above

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  5. The general type of process found in industry is:

    6. A.
    discrete parts
    B.
    continuous
    C.
    batch
    D.
    All of the above
    E.
    None of the above

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  6. Which method is frequently used, especially in the early stages of design?

    7. A.
    The iterative design method
    B.
    The direct method
    C.
    The design selection method
    D.
    All of the above
    E.
    None of the above

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  7. In raster-scan colour monitors, colour can be intensified by:

    8. A.
    grouping the phosphor dots in a circular pattern
    B.
    having each electron gun controlled by a composite signal
    C.
    using an in-line gun arrangement with a solid metal mesh
    D.
    having each electron gun controlled by separate signal
    E.
    None of the above

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  8. Timing using a TM990 micro¬computer:

    9. A.
    require an external timer added by the user
    B.
    is available on the standard CPU board
    C.
    can be handled in software
    D.
    both (b) and (c)
    E.
    None of the above.

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  9. A discrete parts process is:

    10. A.
    the same as a continuous process except a different controller must be used
    B.
    often encountered in manufacturing
    C.
    normally a repetitive series of operations
    D.
    (b) and (c)
    E.
    None of the above

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  10. Speech recognition:

    11. A.
    will never be used in industrial controls
    B.
    is already widely used in industrial controls
    C.
    will be used in more applications as the technology matures.
    D.
    All of the above
    E.
    None of the above

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