16. A venturi tube:

A. is extremely difficult to use
B. is made only of metal
C. measures the presence of a liquid
D. can be used to measure gas or liquid flow rates
E. None of the above

17. The APT (automatically progra¬mmed tools) language is used with:

A. large automation systems
B. drafting systems
C. programmable controllers
D. numerical controlled machines.
E. None of the above

18. The ideal solution is to have a system coordinator who will interface with the engineering and manufacturing managers, as well as the:

A. finance manager
B. president
C. marketing manager
D. MIS manager
E. None of the above

19. Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:

A. logic
B. software
C. NC tape programming
D. computer graphics workstation
E. None of the above

20. The Ziegler-Nichols method:

A. is a graphical solution method
B. can be used to determine gain factors of a PI loop
C. is a method of control
D. a and b above
E. None of the above