Allen-Bradley supports Structured Text (ST), but does not support Instruction List (IL) because of its ________
A) Unacceptance by the user community
B) Marginal value in automated process applications
C) Mnemonic instructions
D) Difficulty to troubleshoot
B
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Which of the following statements are correct regarding metal wall plugs?
A. They cannot contain wooden inserts. B. Their inserts must be made of rubber. C. Metal wall plugs cannot contain inserts of any type. D. They are made of galvanized metal.
What type of wrench has a thumbwheel?
A. adjustable B. box-end C. open-end D. combination
When the current atmospheric pressure is not considered in measuring pressure, it is known as:
A) Internal pressure. B) Column pressure. C) Gauge pressure. D) Absolute pressure.
The volume of a 9-inch cube is _____
a. 243 cu yd b. 729 cu in c. 818 sq in d. 1,243 cu in