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Automation System
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Question
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
Correct Answer
can accelerate
Automation System problems
Search Results
1. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: value
2. 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
Show Answer
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Discuss
Correct Answer: make a mechanical movement
3. Which item best describes a CAM technology?
Options
A. Numerical control
B. Drafting
C. Documentation
D. Geometric modeling
E. None of the above
Show Answer
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Discuss
Correct Answer: Numerical control
4. 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
Show Answer
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Discuss
Correct Answer: All of the above
5. The physical arrangement of equipment in a network is called:
Options
A. topology
B. pairing
C. queuing
D. logic
E. None of the above
Show Answer
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Discuss
Correct Answer: topology
6. 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
Show Answer
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Discuss
Correct Answer: the tape and tape reader are not reliable
7. 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
Show Answer
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Discuss
Correct Answer: the value of the output never exceeds the value of the input during the transient period.
8. A solenoid:
Options
A. can be used only in de circuits
B. is spring operated
C. is widely used in industrial automation
D. is related to an aneroid
E. None of the above
Show Answer
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Discuss
Correct Answer: is widely used in industrial automation
9. The device that assembles groups of characters into complete messages prior to their entering the CPU is called:
Options
A. a compiler
B. an interpreter
C. a communications processor
D. an editor
E. None of the above
Show Answer
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Discuss
Correct Answer: a communications processor
10. A semi-continuous operation means:
Options
A. the operation is continuous each shift, but stops between shifts
B. coffee breaks are allowed for the operator
C. a computer is a required part of the machine
D. each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
E. None of the above
Show Answer
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Discuss
Correct Answer: each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
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