Automation System – Section 4

16. For a type 1 system, the steady-state:

A. error for a step input is always zero
B. error for a velocity input is always zero
C. input for acceleration input is always non-zero
D. (a) and (c)
E. None of the above

Correct Answer:  D. (a) and (c)

17. Several objectives are required to achieve a successful database management program. These are the availability of data, quality of data, and

A. compatibility of data
B. transmission of data
C. desirability of data
D. up-to-date data
E. None of the above

Correct Answer:  D. up-to-date data

18. Which of the following is required for a plotter to perform specific commands?

A. Firmware
B. Software
C. Driver
D. Hardware
E. None of the above

Correct Answer:  C. Driver

19. For a type 2 system, the steady-state:

A. error for a step input is always zero
B. error for a velocity input is always zero
C. input for acceleration input is always non-zero
D. All of the above
E. None of the above

Correct Answer:  D. All of the above

20. The refresh-vector CRT uses which of the following techniques?

A. The beam constantly travels across the screen to turn on/off a series of pixels.
B. Makes changes on the image by increasing the anode voltage.
C. Uses an electron gun to continuously flood the surface of the tube.
D. Creates images on the screen by scanning straight-line vectors between selected points.
E. None of the above

Correct Answer:  D. Creates images on the screen by scanning straight-line vectors between selected points.

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