Spray patterns need to be overlapped to achieve uniformity. Why?
What will be an ideal response?
The outer edges of the pattern have tapered or reduced volumes.
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Give one location where an RPZ backflow preventer should not be installed.
What will be an ideal response?
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
An absolute reading of 30 psia is taken. What will a gage pressure instrument read under the same conditions?
What will be an ideal response?
Flat shading is commonly used today to increase realism in visualization.
Answer the following statement true (T) or false (F)