Shaft packing and insert mounting, which includes O-rings, V-rings, wedges, and U-cups, describe the _____ found in mechanical seals
A) closing mechanisms B) secondary seals
C) primary faces D) lubricating surfaces
B
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What is visible light? How does it differ from the other forms of electromagnetic radiation?
What will be an ideal response?
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Leak-detecting solution must be free flowing so that it can seep into small joints, cracks, and other areas that may have a leak.
Answer the following statement true (T) or false (F)
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Which exhaust emission is formed by high combustion chamber temperatures?
A) HC B) CO2 C) CO D) NOx
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Which of the following is NOT true of an extended life coolant (ELC)?
a.improves cavitation protection b.no inhibitor testing required c.lasts for up to six years d.never has to be inspected
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