Which of the following substances are used in freeze branding?
a. Liquid nitrogen c. Magnesium
b. Ethyl acetylene d. Sodium chloride
A
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Eight technicians each work 24 hours to complete a job in 3 days. How many technicians are needed to complete a 288-hour job in 3 days??
Fill in the blank(s) with the appropriate word(s).
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The ____________________ is a mechanical control that keeps the refrigerant pressure in the evaporator from going below a predetermined point.
Fill in the blank(s) with the appropriate word(s).
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The best place to connect the vacuum gauge is:
A) Vacuum gauge placement is not critical. B) On the system. C) On the vacuum pump. D) On the manifold gauges.
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Complete combustion does not occur if the proper amount of __________ is present.
A. fuel B. air C. fuel and air
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