Feed efficiency can be increased by _____ grain because less is wasted
a. wetting c. grinding
b. pelleting d. powdering
B
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The earliest gas tungsten arc welding process used ____.
A. tungsten B. argon C. oxygen D. helium
To avoid the use of paper to protect the surface of the chuck, what must be done to prepare a scaly heat-treated workpiece before grinding?
A) The heat treatment scale must be removed before chucking B) The workpiece must be annealed C) The workpiece must be tempered D) Remove the chuck and clamp directly to the table
Technician A says that nitrogen can combine in the combustion chamber with oxygen to form nitrogen oxides, a regulated air pollutant. Technician B says that nitrogen makes up 78 percent of the air that we breathe every day. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B
The POB is a fixed location; in times past has been a pile of rocks, a large tree, or an iron rod driven into the ground. Modern surveys commonly use a wood post driven into the ground to locate the POB and other property corners.
Answer the following statement true (T) or false (F)