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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Which of the following breeds of cattle is known as a dairy breed?
a. Guernsey c. Angus b. Hereford d. Charolais
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?Technician A says when the transmission is in gear, the fluid coupling allows the vehicle to stop without stalling. Technician B says this is because the impeller doesn't rotate fast enough to drive the turbine. Who is correct?
A. ?A only B. ?B only C. ?Both A and B D. ?Neither A nor B
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Dimensions are rounded to the nearest ____ inch.
A. eighth B. quarter C. half D. whole
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Where steel columns, masonry piers, and wooden posts are used in the construction, a special ____ pad is indicated on the foundation plan.
A. metal B. concrete C. ceramic D. wooden
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