When passive solar design principles were being explored in the 1970s, one common design concept was a ____, a passive solar addition to a new or existing house to provide additional winter heat through solar energy.

A. sunspace
B. solar-unit
C. solarspace
D. sun-unit


Answer: A

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Fill in the blank(s) with correct word

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A normally operating water-cooled condenser is operating with a 10° differential between water in and water out. If the amount of 85°F water going through the condenser is reduced, which of the following is a possible temperature of the water leaving the condenser?

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