On a project using engineered-size bricks, how many 1-cubic foot size bags of masonry cement rounded to the nearest hundredth are needed to build a single-wythe brick wall whose length is 36' and height is 18'.
What will be an ideal response?
37.58
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Organically grown livestock can be given medicine for parasites but not growth hormones
Indicate whether the statement is true or false
Why is a good evacuation critical after performing a system cleanup?
What will be an ideal response?
What size should the combustion air ducts be for a room with an 60,000 BTU/hr input furnace and a 16,000 BTU/hr water heater if the air is traveling through horizontal ducts?
A) 76,000 / 1,000 = 76 square inches free area each B) 76,000 / 4,000 = 19 square inches free area each C) 76,000 / 2,000 = 38 square inches free area each D) The size is irrelevant so long as there are combustion air vents
As a safety measure, when starting an LP gas furnace, you should position yourself
A) Off to the side and low to the ground B) In any position so long as you are not touching the furnace C) Off to the side and off the ground D) Directly in front of the burners in order to observe the lighting sequence