Why are acetylene cylinders only used in the upright position?
A) The upright position is more convenient because they take up less space.
B) The acetylene cylinders will roll around if they are laid sideways on the floor.
C) To prevent acetone from being pulled out of the cylinder
D) To take advantage of natural convection
C
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What slow-release fertilizer may be mixed with the soil when planting trees?
A) Dacthal B) Osmocote C) Atrazine D) None of the above
For the truss in Figure P8.3, compute the horizontal and vertical components of the displacement of joint C. The area of all bars = 2500 mm 2 , and E = 200 GPa.
The rural/urban interface:
A. allows the best land for growing plants to be reserved for agricultural purposes. B. are changes as populations move outward from the central urban areas. C. are nowadays easily seen as a distinct line in aerial views of cities and towns. D. allows more of the urban population to gain awareness of agricultural practices.
Why should you use a Narrow Groove V-belt instead of a Classical V-belt in a new installation?
What will be an ideal response?