Engineering, 27.09.2019 23:30 bryantnaomi6
Acylinder and piston with constant mixing pressure that has a volume of 3 m3 initially contains air at 90 ° c and 4.4 bar, with a relative humidity of 60%. the contents of the tank is cooled to 70 ° c. determine: 1. does condensation occur in the process? at what temperature would condensation begin? justify the answer. draw the process that the water undergoes in diagram t-v. 2. relative humidity (%), absolute humidity (kg_v / kg_as) and volume (m3) in the final state. 3. amount of water that has condensed (kg_w) (considers that the water that condenses is saturated liquid at the final temperature).4. work contributed during the process (kj) and compare how much greater or lesser is the heat transferred to the environment with respect to section a (%).
Answers: 3
Engineering, 04.07.2019 18:10, skpdancer1605
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
Acylinder and piston with constant mixing pressure that has a volume of 3 m3 initially contains air...
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