What is a disadvantage of positive-pressure fans?
a. they can spread heat and smoke if used improperly
b. they impede entry and exit of personnel
c. favorable wind conditions are required for their use
d. correct placement can be time consuming
Answer: a. they can spread heat and smoke if used improperly
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____ deal with accuracy related to form and size and position of finished surfaces where high precision is required.
A. Limits B. Tolerances C. Extensions D. Margins
When using a computer program to solve beam sizes, you may need to provide the total load or the total live load and the total dead load.
Answer the following statement true (T) or false (F)
EP(Load) = ____ V.
a. 120
b. 240
c. 360
d. 480
Which of the following is not one of the three basic sources of water pollution?
A) point B) diffuse C) background D) significant