When a long workpiece is supported so it can spring down from the drilling pressure, what can be the result?
A) The work will fly off the machine
B) The drill may become dull
C) The drill will get overheated and loose its temper
D) The drill may be broken
D
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The most consumed fruit group in the United States is:
a. melons c. citrus b. bananas d. apples
Before opening the compressor crankcase to take an oil sample, you should:
A) Get the sample tube ready because the oil comes out very quickly under pressure. B) Increase the crankcase pressure with nitrogen to at least 100 psig. C) Position yourself directly in front of the drain port. D) Valve off the compressor and recover the refrigerant down to 1—2 psig.
Concrete walls are offten shown with the concrete symbol, and _______ is added to give the walls more contrast.
A. shading B. hatch C. poché D. crosshatching