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MCQs

Total Questions : 474 | Page 47 of 48 pages
Question 461. The steady-state error is:
  1.    independent of the type of input
  2.    a function of the transient response
  3.    zero for all inputs to type 1 systems
  4.    decreased by increasing gain.
  5.    None of the above
 Discuss Question
Answer: Option D. -> decreased by increasing gain.
Question 462. Microcomputer-based control sys-tems
  1.    will just keep their present capability
  2.    will have more standard industrial application software available in the future.
  3.    will tend to increase in cost.
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> will have more standard industrial application software available in the future.
Question 463. The "end-effector" of a robot:
  1.    can be an actual tool
  2.    is the robot "hand"
  3.    may have a gripping action
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 464. Relay ladder logic is used in a PC because:
  1.    it is impossible to write a control program for a machine in any other logic
  2.    it is the best industrial control language ever developed.
  3.    most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
Question 465. The program execution time:
  1.    must be slower than the fastest mechanical operation that is to be controlled
  2.    will vary depending on the language used
  3.    cannot be changed once the program is written
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> will vary depending on the language used
Question 466. An operating system:
  1.    is required to run a microprocessor system
  2.    provides a structure with which to develop application programs
  3.    is useful because standard modules can be used
  4.    both (b) and (c)
  5.    None of the above.
 Discuss Question
Answer: Option D. -> both (b) and (c)
Question 467. One advantage of a PC in industrial control is that it:
  1.    has a reliable long life compared to relay logic
  2.    is very difficult for the inexperienced programmer to understand
  3.    is unreliable because there are no moving parts
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> has a reliable long life compared to relay logic
Question 468. What two disciplines are usually tied by a common data base?
  1.    Documentation and geometric modeling
  2.    Computer-aided design and computer-aided manufacturing
  3.    Testing and analysis
  4.    Drafting and documentation
  5.    None of the above
 Discuss Question
Answer: Option B. -> Computer-aided design and computer-aided manufacturing
Question 469. A display of a volume model that shows all of its edges is called a:
  1.    surface model
  2.    3-D model
  3.    wire-frame
  4.    solid model
  5.    None of the above
 Discuss Question
Answer: Option C. -> wire-frame
Question 470. Having compatibility and commonality in and between vendors' equipment is called:
  1.    registration
  2.    standardization
  3.    integration
  4.    networking
  5.    None of the above
 Discuss Question
Answer: Option B. -> standardization

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