What is considered a good vacuum level for a deep vacuum?
A) 500 microns B) 100 microns C) 28" hg vacuum D) 1000 microns
A
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Oil burner nozzles are rated at 100 psig nozzle pressure.
Answer the following statement true (T) or false (F)
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During the 1870s and 1880s, Louis Pasteur developed a means of vaccinating animals to make them ____________________ to disease
Fill in the blank(s) with correct word
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Tank piping should be inspected regularly for imperfections and leaks.
Answer the following statement true (T) or false (F)
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As a mixture travels through an evaporator, the liquid percentage:
A) Stays the same. B) Increases slightly. C) Decreases. D) Increases greatly.
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