Cold cracks are caused by tearing the metal along partially fused grain boundaries of welds that have not completely solidified.
Answer the following statement true (T) or false (F)
False
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The main shaft is also called the ________.
A) Counter shaft B) Intermediate shaft C) Clutch shaft D) Either A or B
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What may be safely used to check a system for leaks at pressures of around 100 psig?
A) Neon B) Hydrogen C) Nitrogen D) Oxygen
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Gravity causes solids to exert force:
A) Downward and to the sides. B) Downward. C) In all directions. D) A solid does not exert force.
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All of the following scales can be found on a triangular architect's scale, except _____
A) 1/4" =1'-0" B) 3/32" = 1'-0" C) 1/2" = 1'-0" D) 1-3/4" = 1'-0"
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