Parallels are used for:
A) Aligning a center punch mark on round stock in vee-blocks
B) Scribing a parallel line along a shaft
C) Spacing workpieces off the drill press table or vise
D) Heavy, rough drilling
C
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A cooling tower circulates 40,000 gpm water. The hot water entering the top of the tower is 115 degrees F and is cooled to 85 degrees F by the time it enters the cooling tower basin. Assume drift loss is 0.30% of circulation rate, evaporative losses are 1% for each 10-degree F water temperature decrease, and blowdown rate is 0.35% of circulation rate. What is the required makeup in GPM?
A. 1005 gpm B. 1200 gpm C. 1425 gpm D. 1460 gpm
What nominal system voltage is used in residential?
A) 277/480 B) 120/240 C) 120/208
Carbon, chromium, and vanadium are some of the alloying elements that can be added to improve hardness, strength, creep resistance, and ____ resistance.
A. impact B. fatigue C. corrosion D. wear
Physical sciences such as chemistry and physics are not part of the science of agriculture
Indicate whether the statement is true or false