A _____ is used for a building constructed on sloping ground.
A. stepped footing
B. graded slope footing
C. angled footing
D. trench footing
Answer: A
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Passive solar uses natural methods of ____ and does not employ mechanical equipment.
A. air flow B. heat flow C. water flow D. heat storage
Why is the main purpose of the fins on finned tube evaporators?
A) Fins protect the coil from being punctured by projectiles. B) Fins increase the surface area of the coil. C) Fins direct the condensed water to the drain pan. D) Fins direct the air more smoothly across the coil.
____ are cold-rolled Z-sections used in the walls of the building that serve as principal structural members attached to the building's frame.
A. Eave struts B. Girts C. Purlins D. Trusses
Use the following illustration to answer questions 3 through 10.
Given a right triangle with sides a and b and hypotenuse c, if a = 4 and c = 7, how many degrees are there in angle A to the nearer whole degree?
Fill in the blank(s) with the appropriate word(s).