In short vertical runs, the cables are usually supported by _____.
a. a suspension plate
b. a dropout plate
c. the vertical riser elbow
d. an underwire support system
c. the vertical riser elbow
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The nominal size and the outside diameter of carbon steel pipe are the same for pipe sizes _____ inches and above.
a. 8 b. 10 c. 12 d. 14
What did Blaise Pascal invent that was significant in the development of the modern computer?
A. abacus B. slide rule C. mechanical digital calculating machine D. electronic computer
For most areas a thatch layer less than ____ inch thick is desirable
A) 0.125? B) 0.5 C) ?0.1 D) 0.25
Positional tolerancing using a feature relating zone for each aligned hole is ____.
A. positional tolerance of counterbored holes B. positional tolerancing of coaxial holes C. positional tolerance of slotted holes D. positional tolerance of threaded features and gears E. positional tolerancing of nonparallel holes