Which of the following CMU shapes has a U-shaped profile in its vertical cross section?
A) Lintel unit
B) Bullnose unit
C) Sash unit
D) Scored unit
E) Unit with projecting face shells
A) Lintel unit
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A MIG unit is using a spool of wire that weighs 24 pounds. How many hours will the spool last if the melt-off is 1.75 pounds/hour? Round the answer to the nearest hundredth.
Grounding wrist straps are used to _____.
a. prevent static discharge from damaging solid-state circuits b. prevent personnel from being shocked by stray currents c. keep personnel from being struck by lightning d. discharge electrolytic capacitors before removing them
The technique in which all the marketable trees in a large area are cut is called _____
a. all cut b. clear-cutting c. destruction d. market cut
Mandatory production controls (acreage allotments and quotas):
a. Eliminates slippage. b. Requires import restrictions. c. Provide the initial quota holder a windfall gain. d. Increase the share of income consumers spend on food. e. All of the above.