A condensing gas furnace uses ____ from a condensing type heat exchanger to increase the furnace efficiency.

A. sensible heat
B. latent heat
C. superheat
D. subcooling


Answer: B

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The type of gear set used in most automatic transmissions is ________.

A) Spur gears B) Helical gears C) Planetary gears D) Any of the above

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Biosolids are ____

a. the byproducts of making paper b. slash from logging operations c. the dried, solid remains collected from wastewater treatment plants and animal manures d. crop residues

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How much of the portion of the sun's energy that reaches Earth is absorbed or reflected by the atmosphere?

a. 10 percent c. 50 percent b. 25 percent d. 75 percent

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Which disease is characterized by defective hemoglobin that results from a mutation affecting the amino acid sequence of one pair of the globular proteins of the hemoglobin molecule resulting in stiff, markedly curved red blood cells?

A) sickle cell anemia B) thalassemia C) hematuria D) jaundice E) aplastic anemia

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