Discussion
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- Question
Which item best describes a CAM technology?
Options- A. Numerical control
- B. Drafting
- C. Documentation
- D. Geometric modeling
- E. None of the above
- Correct Answer
- Numerical control
- 1. 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
- 2. 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
- 3. 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
- 4. 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 Discuss
- 5. 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
- 6. 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
- 7. Three different aspects of colour are used to define specific colours. They are hue, saturation, and:
Options- A. metamer
- B. value
- C. gray scale
- D. shading
- E. None of the above Discuss
- 8. A servo controlled robot:
Options- A. stop only at fixed points on each axis
- B. can accelerate
- C. must be hydraulically driven
- D. must be electrically driven
- E. None of the above Discuss
- 9. A disadvantage of Numerical Control (NC) is:
Options- A. the computer is not reliable
- B. the tape and tape reader are not reliable
- C. one operator is needed for each machine.
- D. the machine tool can easily overheat
- E. None of the above Discuss
- 10. If the transient response of a system is overdamped:
Options- A. the value of the output exceeds the value of the input at times during the transient period.
- B. the value of the output never exceeds the value of the input during the transient period.
- C. the value of the output never stabilizes.
- D. All of the above
- E. None of the above Discuss
Automation System problems
Search Results
Correct Answer: All of the above
Correct Answer: topology
Correct Answer: a microprocessor
Correct Answer: 1,000 Hz
Correct Answer: (a) and (c)
Correct Answer: make a mechanical movement
Correct Answer: value
Correct Answer: can accelerate
Correct Answer: the tape and tape reader are not reliable
Correct Answer: the value of the output never exceeds the value of the input during the transient period.
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