Automation System – Section 3

36. A dc servo motor:

A. uses a tachometer for speed feedback
B. uses a variable dc voltage for speed control
C. can provide precise position control
D. All of the above
E. None of the above

Correct Answer:  D. All of the above

37. Plotter accuracy is measured in terms of repeatability and:

A. intelligence
B. vertical dimension
C. resolution
D. buffer size
E. None of the above

Correct Answer:  C. resolution

38. The basic difference between broadband and baseband is:

A. availability
B. capacity
C. reliability
D. transmission
E. None of the above

Correct Answer:  B. capacity

39. The power source that drives the manipulator can be:

A. pneumatic
B. electric
C. hydraulic
D. All of the above
E. None of the above

Correct Answer:  D. All of the above

40. Which of the following devices would be classified as a robot by the Robot Institute of America?

A. Automobile
B. Pick-and-place manipulator
C. Artificial hand
D. All of the above
E. None of the above

Correct Answer:  B. Pick-and-place manipulator

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