Computer Automation Online Questions - Set 04 - ObjectiveBooks

Computer Automation Online Questions - Set 04

Practice Test: Question Set - 04

1. The difference between CAD and CAM is that CAD software is directed at product design while CAM software is:
    (A) Concerned with production and control of tool design
    (B) Concerned with management programs
    (C) Designed for communications
    (D) Specifically for PC-board design

2. Compared to an open-loop system, a closed-loop control system is:
    (A) More accurate
    (B) More complex
    (C) More stable
    (D) All of the above

3. Which of the following is not critical in PC CAD software?
    (A) Crosshatching
    (B) Layering
    (C) Drawing/editing
    (D) Damping

4. One advantage of a PC in industrial control is that it:
    (A) Has a reliable long life compared to relay logic
    (B) Is very difficult for the inexperienced programmer to understand
    (C) Is unreliable because there are no moving parts
    (D) None of the above

5. Robot motion:
    (A) Is the same for all robots
    (B) Usually imitates human motion
    (C) Is not dependent on the robot structure
    (D) All of the above

6. A continuous process is:
    (A) Used only for simple tasks
    (B) One that never shuts down
    (C) Self-contained in that raw materials enter the process and an identifiable products exits the process
    (D) Used only with analog controllers

7. A sequence controller:
    (A) Is difficult to program
    (B) Is a mechanical only controller
    (C) Is no longer in widespread use
    (D) Performs on/off control functions in relation to time

8. The ideal solution is to have a system coordinator who will interface with the engineering and manufacturing managers, as well as the:
    (A) Finance manager
    (B) President
    (C) Marketing manager
    (D) MIS manager

9. Several objectives are required to achieve a successful data base management program. These are availability of data, quality of data, and
    (A) Compatibility of data
    (B) Transmission of data
    (C) Desirability of data
    (D) Up-to-date data

10. An up/down counter used in a TI510PC has three inputs. Which of the following is not one of them?
    (A) Count up
    (B) Count out
    (C) Reset
    (D) Count down

11. Which of the following method is used the results of a design analysis as a base for redesign decisions?
    (A) The iterative design method
    (B) The direct method
    (C) The design selection method
    (D) None of the above

12. For a type 0 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) None of the above

13. What is offset error?
    (A) The difference between the sensor input and the absolute sensed parameter
    (B) The difference between the controller output and the setting of the manipulated variable
    (C) The difference between the control set point value and the actual value
    (D) None of the above

14. Which method uses the design analysis as a method for effecting the design?
    (A) The iterative design method
    (B) The direct method
    (C) The design selection method
    (D) All of the above

15. Direct Numerical Control means:
    (A) Using several computers to control one large machine
    (B) Using one computer to control several machines
    (C) Complete elimination of a need for a human operator
    (D) Eliminating computers from the manufacturing process

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