How many cubic feet to the nearest tenth of concrete are needed for a residential walkway 30' 6" long, 4' wide, and 4" thick.
What will be an ideal response?
40.4
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Balloon-frame wood construction preceded the contemporary platform-frame wood construction. What was the primary limitation of balloon frame that led to its evolution into platform frame?
What will be an ideal response?
Technician A says micrometers are used primarily to measure inside diameters. Technician B says telescoping gauges are used with micrometers to measure cylinders and bearing bores. Who is right?
A. Technician A B. Technician B C. Both technicians D. Neither technician
In a geothermal heat pump system, there is a refrigerant loop and a water (water and antifreeze) loop.
Answer the following statement true (T) or false (F)
The area where all living and nonliving features depend on each other is called the _____
a. farm c. canopy b. ecosystem d. sublayer