Discussion
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- Question
What Is a process variable?
Options- A. A manipulated variable
- B. A controlled variable
- C. A process parameter that changes value
- D. All of the above
- E. None of the above
- Correct Answer
- All of the above
- 1. Plotter accuracy is measured in terms of repeatability and:
Options- A. intelligence
- B. vertical dimension
- C. resolution
- D. buffer size
- E. None of the above Discuss
- 2. The two types of relays in a PC are:
Options- A. an output relay and a control relay
- B. a control relay and a retentive relay
- C. a retentive relay and a non-retentive relay
- D. All of the above
- E. None of the above Discuss
- 3. Which method uses the design analysis as a method for effecting the design?
Options- A. The iterative design method
- B. The direct method
- C. The design selection method
- D. All of the above
- E. None of the above Discuss
- 4. The Ziegler-Nichols method:
Options- A. is a graphical solution method
- B. can be used to determine gain factors of a PI loop
- C. is a method of control
- D. a and b above
- E. None of the above Discuss
- 5. Light sensors:
Options- A. cannot be used a s limit switches.
- B. come in a wide variety of mounting styles
- C. work in direct sunlight
- D. never use infrared light as light source
- E. None of the above Discuss
- 6. Group technology brings together and organizes:
Options- A. automation and tool production
- B. parts and simulation analysis
- C. documentation and analysis
- D. common parts, problems, and tasks
- E. None of the above Discuss
- 7. The APT (automatically progra¬mmed tools) language is used with:
Options- A. large automation systems
- B. drafting systems
- C. programmable controllers
- D. numerical controlled machines.
- E. None of the above Discuss
- 8. The basic difference between broadband and baseband is:
Options- A. availability
- B. capacity
- C. reliability
- D. transmission
- E. None of the above Discuss
- 9. A venturi tube:
Options- A. is extremely difficult to use
- B. is made only of metal
- C. measures the presence of a liquid
- D. can be used to measure gas or liquid flow rates
- E. None of the above Discuss
- 10. What is the process lag?
Options- A. The time it takes for the sensor to respond to a changed.
- B. The lag in the error signal when the setpoint is changed.
- C. The time it takes for the mass of the process to respond to an input change.
- D. All of the above
- E. None of the above Discuss
Automation System problems
Search Results
Correct Answer: resolution
Correct Answer: an output relay and a control relay
Correct Answer: The direct method
Correct Answer: a and b above
Correct Answer: come in a wide variety of mounting styles
Correct Answer: common parts, problems, and tasks
Correct Answer: numerical controlled machines.
Correct Answer: capacity
Correct Answer: can be used to measure gas or liquid flow rates
Correct Answer: The time it takes for the mass of the process to respond to an input change.
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