________ are ground-level spaces and may be constructed of concrete or ground contact rated pressure-treated wood
A) Decks B) Porches
C) Free-standing decks D) Patios
D
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The test specimen used for determining the compressive strength of concrete in the United States is a
A) 6-in.-diameter, 6-in.-high cylinder. B) 6-in.-diameter, 18-in.-high cylinder. C) 6-in.-diameter, 12-in.-high cone. D) 6-in.-diameter, 12-in.-high cylinder.
_____ estimates are prepared from completed drawings and specifications
a. Field b. Resource c. Change order d. Detailed
Why were split systems developed?
A) Splitting the controls into two panels provides redundancy. B) Splitting the airflow between two pieces allows for more airflow. C) Splitting the refrigerant flow between two systems reduces line size. D) It is not always practical to have all the components of a large air-cooled system located in a single box.
The Bourdon tube ____.
A. tends to straighten out with an increase in voltage B. tends to curl inward with an increase in vapor pressure C. tends to straighten out with an increase in electrical current D. tends to straighten out with an increase in vapor pressure