Your mold is filling completely, but you have weld-lines in your part. Give three possible parameter changes to alleviate the problem
What will be an ideal response?
Some of the possible answers for this question include: melt temperature too high or too low, mold surface temperature, pressure on melt, choice of the material, mold lubricants, or poor venting of the part.
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What will happen if the AIR system delivers air to the exhaust manifold during closed loop operation?
What will be an ideal response?
The common sizes of butt markers are _____.
a. 2", 2-1/2", and 3-1/2" b. 2-1/2", 3", and 4" c. 3", 3-1/2", and 4" d. 2-1/2", 4, and 4-1/2"
Which of the following methods is LEAST-Likely to be used to clean parts that have been removed from an engine or transmission?
A. Chemical cleaning B. Abrasive cleaning C. Thermal cleaning D. Dry brushing
What does a collapsed radiator hose indicate?
A. Scaling in the cooling system. B. Radiator cap malfunction. C. Overheating condition. D. Blockage in the cooling system.