What is correct definition of a solid?
A. Anything that has weight and mass and occupies space.
B. A substance that has definite volume and sufficient mechanical strength to maintain a constant shape.
C. A substance that has neither definite volume nor definite shape.
D. A substance that has definite volume but does not have definite shape.
Answer: B
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Answer the following statement true (T) or false (F)
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A) Will not execute if the timer for the action block is shorter than the step timer B) Uses an internal timer in the action block C) Is always used with an L action qualifier D) All the above
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A) shut down the pipeline B) try to isolate the leak C) evacuate the area D) notify the control center
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Answer the following statement true (T) or false (F)