Engineering, 11.07.2019 04:20 Isaiahtate053
Aheat pump with refrigerant-134a as the working fluid is used to keep aspace at 25°c by absorbing heat from geothermal water that enters the evaporator at 60°c at a rate of 0.065 kg/s and leaves at 40°c. refrigerant enters the evaporator at 12°c with a quality of 15 percent and leaves at the same pressure as saturated vapor. if the compressor consumes 1.6 kw of power, determine (a) the mass flow rate of the refrigerant, (b) the rate of heat supply, (c) the cop.
Answers: 1
Engineering, 04.07.2019 18:10
Atmospheric air has a temperature (dry bulb) of 80° f and a wet bulb temperature of 60° f when the barometric pressure is 14.696 psia. determine the specific humidity, grains/lb dry air. a. 11.4 c. 55.8 d. 22.5 b. 44.1
Answers: 1
Engineering, 04.07.2019 18:10
True or false (explain) (110)[111] is a slip system in bcc metals . the {111} family in fcc contains 8 planes. resolved shear stress (rss) in single crystals is just related to the applied stress. critical resolved shear stress (crss) in single crystal metals is direct proportional to the number of defects in the structure
Answers: 2
Engineering, 04.07.2019 18:20
Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um
Answers: 2
Engineering, 04.07.2019 19:10
In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?
Answers: 3
Aheat pump with refrigerant-134a as the working fluid is used to keep aspace at 25°c by absorbing he...
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