What is the term for the transfer of heat through a circulating medium of liquid or gas?

a. condensation
b. convection
c. radiation
d. conduction


Answer: b. convection

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Which region of Italy was the last to be incorporated into the national state?

a. Parma b. Lombardy c. Venetia d. Rome

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How is the water level in the reservoir of an ice machine maintained at the correct level?

A) A float switch B) The water control measures incoming water pressure C) The reservoir has an overflow so water can safely spill over the edge D) The reservoir is filled and sealed at the factory.

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What should a process technician do first with rainfall buildup in a containment wall?

A) Open a valve and drain the liquid B) Test the water to ensure it is free of contaminants C) Leave the rainwater to cool off the containment wall D) Use a new containment wall

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Some interiorscape companies that offer Christmascape and other holiday decorating products and

services say such work constitutes ____ of their annual income.

a. up to one tenth c. up to forty percent b. up to one quarter d. up to one half

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