Chapter 4, Problem 4.25P

The varying intensity of the sun's energy that reaches the earth is due in part to the A. solar constant. B. declination angle. C. lunar constant. D. solar design strategy.

You are considering purchasing a compact washing machine, and you have the following information: The Energy Guide claims an estimated yearly electricity use of 350 kW-hrs, based on 8 loads of laundry being washed per week. The Energy Guide claims an estimated yearly operating cost of $38. This estimate is based on $0.1065 per kW-hr, and eight loads of laundry being washed per week. Local electricity costs $0.086 per kW-hr. You wash four loads of laundry per week. Based on this information, first calculate the energy that would be used by this compact washing machine in a year. Then calculate the yearly energy cost. Group of answer choices $3.27 $19.00 $15.34 $178.4

Explain the theory of the Joule Thompson effect and give examples.