Automation System problems
- 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 Discuss
Correct Answer: a set of functions
- 2. 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 Discuss
Correct Answer: The controller output varies continuously over a range
- 3. 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 Discuss
Correct Answer: perform difficult operations
- 4. 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 Discuss
Correct Answer: The iterative design method
- 5. 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 Discuss
Correct Answer: All of the above
- 6. An intelligent robot can:
Options- A. make decisions
- B. handle only small payloads
- C. walk
- D. speak
- E. None of the above Discuss
Correct Answer: make decisions
- 7. 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 Discuss
Correct Answer: (a) and (b) above
- 8. A Hall effect switch is usually used to:
Options- A. , measure voltage
- B. measure temperature
- C. sense a vacuum
- D. sense the presence of a magnetic object.
- E. None of the above Discuss
Correct Answer: sense the presence of a magnetic object.
- 9. The hardware device Jhat acts as both a switching and connecting unit is called a(n):
Options- A. concentrator
- B. RS-232C port
- C. multiplexer
- D. communications processor
- E. None of the above Discuss
Correct Answer: multiplexer
- 10. Most continuous control actuators:
Options- A. are of the time proportioning type
- B. use a 4 to 20 mA current loop input
- C. are used with standard continuous control loop
- D. (b) and (c) above
- E. None of the above Discuss
Correct Answer: (b) and (c) above
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