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.

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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

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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

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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.

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