Mineral wool insulation for larger pipe sizes is _____.

a. supplied in half sections
b. cut from solid board
c. built up with blanket
d. covered in expanded metal


a. supplied in half sections

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Which unit contains a desiccant to remove moisture from the system?

A) Receiver-drier B) Accumulator C) Evaporator D) Both A and B

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What is a multipoise furnace?

A) It is a vent free oil furnace that can be installed anywhere B) It is a furnace that can use multiple types of fuels C) It is a furnace that can be converted to a boiler D) It is a furnace that can be used in most any position

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The component(s) on a diesel-powered tractor that compresses air for the engine is the _____

a. air cleaner b. turbocharger c. distributor d. injector(s)

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Thermal movement from ____________________ (hot, cold) to ____________________ (hot, cold) is called thermodynamics.

Fill in the blank(s) with the appropriate word(s).

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