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Exam3 - 1 What is your email ID Answer Right Points Earned...

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1. What is your email ID? Answer Right Points Earned:0/0 Correct Answer: Your Response: 2. What is the physical meaning of coefficient of performance? (2 Points) A. It is the amount of work needed to produce one unit of heat B. It is the amount of work required to move one unit of heat between the reservoirs C. It is the amount of heat needed to produce one unit of work D. It is the amount of heat moved between the reservoirs for every unit of work done Refer to screen 8 in 'Lesson 8b - Cooling and Heating' Right Points Earned:2/2 Correct Answer: D Your Response: D 3. When a heat pump is used to heat a house in winter, how is the Coefficient of Performance affected as the outside temperature drops? (2 Points) 4. Which one of the following is true about a geothermal heat pump? (2 Points)
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5. What is the name given to the weatherization process used in sealing cracks in windows, doors and walls? (2 Points) 6. Which one of the following items is used in a passive solar heating system? (2 Points) A. A Geothermal Heat Pump B. Flat Plate Collectors C. Photo-voltaic Cells D. South facing windows Refer to screen 30 in 'Lesson 8b - Cooling and Heating' Right Points Earned:2/2 Correct Answer: D Your Response: D 7. A solar collector’s efficiency increases as ______. (2 Points)
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