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Automation System
Comments
Question
What is proportional control?
Options
A. It has a discrete output for each error value
B. The controller output varies continuously over a range
C. The gain is independent of offset error.
D. All of the above
E. None of the above
Correct Answer
The controller output varies continuously over a range
Automation System problems
Search Results
1. A LISP environment consists of a language, a programming environ¬ment, and:
Options
A. random-access storage
B. a processor
C. a large address
D. a set of functions
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: a set of functions
2. The addition of _____ can reduce processing time.
Options
A. A buffer
B. An EPROM
C. A converter
D. A co-processor
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: A co-processor
3. The real "brain" of an artificial intelligence system is referred to as:
Options
A. bubble memory
B. the expert system
C. recursive technology
D. natural language interfaces
E. None of the above
Show Answer
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Discuss
Correct Answer: the expert system
4. Advantages of robots include:
Options
A. increased productivity
B. ability to withstand hazardous environments
C. good return on investment and better company image
D. All of the above
E. None of the above
Show Answer
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Discuss
Correct Answer: All of the above
5. Time proportioning control:
Options
A. can be used on a PM550 programmable process controller
B. is less efficient than normal PID control
C. cannot use a TM990 micro¬computer
D. a and b above.
E. None of the above
Show Answer
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Discuss
Correct Answer: can be used on a PM550 programmable process controller
6. A favourable reason for automation is to:
Options
A. decrease throughput
B. raises assembly cost
C. perform difficult operations
D. increase number of operations
E. None of the above
Show Answer
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Discuss
Correct Answer: perform difficult operations
7. Which of the following method is used the results of a design analysis as a base for redesign decisions?
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
Show Answer
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Discuss
Correct Answer: The iterative design method
8. Robots can increase productivity because:
Options
A. they do not take a vacation
B. they do not get tired
C. production quality is uniform
D. All of the above
E. None of the above
Show Answer
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Discuss
Correct Answer: All of the above
9. An intelligent robot can:
Options
A. make decisions
B. handle only small payloads
C. walk
D. speak
E. None of the above
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Discuss
Correct Answer: make decisions
10. A programmable controller:
Options
A. can be used on more than one machine during its lifetime.
B. can be reprogrammed in the field
C. requires considerable training before it can be used
D. (a) and (b) above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: (a) and (b) above
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