Technician A says that headers do not improve performance at low rpm unless they are specifically tuned for low rpm use. Technician B says that longer header pipes tend to improve low rpm performance. Who is right?
A. ?Technician A only
B. ?Technician B only
C. ?Both A and B
D. ?Neither A nor B
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. Circularity is a perfect condition. 2. A circularity tolerance is always applied to surface elements of a surface of revolution. 3. A circularity tolerance feature control frame may be attached to a leader directed to the surface or to the size dimension. 4. When a circularity tolerance is applied to a cylindrical surface, the circularity tolerance does not override Rule #1. 5. Roundness (circularity) is a simple tolerance to measure.
Three facial features that may interfere with the seal of a respirator are:
What will be an ideal response?
Using the diagram, determine the measure of ?10.
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Fill in the blank(s) with the appropriate word(s).
What is a hydronic terminal unit?
A) The coils and devices that heat the building B) A reverse return loop that is installed on the end of a hydronic run C) Terminal units are specifically designed for use in airports and train stations D) The last convector in a hydronic loop is called the terminal unit