Engineering, 26.07.2019 20:20, mooneyhope24
What is the maximal coefficient of performance of a refrigerator which cools down 10 kg of water (and then ice) to -6c. upper heat source of this refrigerator is surroundings at constant temperature 21c. initially water is in equilibrium with surroundings. what is maximal coefficient of performance of heat pump operating in the same configuration. specific heat of water, specific heat of ice, and latent heat of fusion are equal to 4.19kj/kg/k, 2.1kj/kg/k and 335 kj/kg, respectively.
Answers: 3
Engineering, 03.07.2019 23:20, abbz13
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
Engineering, 04.07.2019 18:10, winterblanco
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
Answers: 3
What is the maximal coefficient of performance of a refrigerator which cools down 10 kg of water (an...
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