What type of flooring surface is best to work on when using power tools?
a. concrete c. dirt
b. wood d. none of these answers is correct
ANS: B
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If unforeseen conditions delay the project or costs increase for other reasons, the bid price can be adjusted to protect the contractor's profit
Indicate whether the statement is true or false
The purpose of the trap in a condensate drain is to:
A) Provide a place for coil slime to collect so that is can be easily cleaned out. B) To insure that some water is always standing in the evaporator drain pan. C) To keep snakes and insects from crawling up the drain into the coil. D) Offset the negative pressure on the drain that can prevent the water from draining.
The six basic ____ connections used in precast concrete construction each use the same connection procedure: a long threaded rod is cast into the top of the column that protrudes a distance equal to the thickness of the beam it will support.
A. bolted beam-to-column B. welded beam-to-column C. riveted beam-to-column D. threaded beam-to-column
Which of the following is NOT an advantage of digital modulation over analog modulation?
A. better use of bandwidth B. requires less power C. better performance during interference D. less sophisticated