In a steep roof, which of the following flashings is made from sheet metal?
A) Step flashing
B) Apron flashing
C) Cricket flashing
D) All of the above
E) Only A and C
D) All of the above
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High levels of carbon dioxide in a building can result from _____.
a. emissions from building materials and furnishings b. incomplete combustion in fuel-burning equipment c. bioaerosols emitted from houseplants in the building d. the breathing of the building’s human occupants
It is a good idea to rehearse your presentation and ask a friend to listen and provide suggestions about your style of presentation, delivery, and content of the talk.
a. True b. False
Hazardous materials include all of the following EXCEPT _________
A) Engine oil B) Brake cleaner C) Water D) Asbestos
The symbol for a flip flop has a small triangle - and no bubble - on its clock (CLK) input. The triangle indicates:
A) the FF is edge-triggered and can only change states when the clock goes 0 to 1. B) the FF is level active and can only change states when the CLOCK = 1. C) the FF is an active LOW device and can only change states when the CLOCK = 0. D) the FF is edge-triggered and can only change states when the clock goes from 1 to 0.