Engineering, 18.09.2019 00:00 tatipop49
Ahomeowner in new mexico needs to replace her existing air source heat pump, which is only used to provide heating. her choice is to replace it with either a 2020 high-efficiency air source heat pump, or with a 2020 high-efficiency ground source heat pump. which one would you recommend? assume the existing heat pump is equivalent to the 2009 installed base, and take the heating load as 36,000 btu/h, 14 h/day, 5 months/year.
Answers: 3
Engineering, 03.07.2019 15:10
Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.
Answers: 1
Engineering, 04.07.2019 18:10
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
Answers: 1
Engineering, 04.07.2019 18:10
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
Answers: 2
Engineering, 04.07.2019 18:10
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
Answers: 3
Ahomeowner in new mexico needs to replace her existing air source heat pump, which is only used to p...
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