If the refrigerant is recovered improperly from a water-cooled condenser:

A) All the water may drain out of the condenser.
B) The oil dissolved in the refrigerant may crystalize.
C) The water may boil.
D) The water may freeze.


D

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The family Loricariidae is commonly referred to as ____________________ catfish

Fill in the blank(s) with correct word

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A tolerance of form is commonly applied to ____.

A. datums B. individual features C. elements of single features D. both b and c E. all of the above

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Express 7.5 × 10-4 in milli, basic units, and micro

A) 7.5 milli, 0.075, 75000 micro B) 75 milli, 0.0075, 750 micro C) 75 milli, 0.075, 7500 micro D) 0.75 milli, 0.00075, 750 micro

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Why must condensate pumps used with condensing furnaces be approved for furnace condensate use?

A) The condensate from a furnace is mildly acidic and can damage the materials in some condensate pumps. B) The condensate from a furnace is flammable and only furnace-rated condensate pumps can pump flammable liquid. C) The condensate from a furnace is mildly alkaline and can damage the materials in some condensate pumps. D) The furnace manufacturer will void the warranty if the wrong condensate pump is used.

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