Engineering, 25.05.2021 14:00 naomifelixwoo
4. A steam boiler with capacity 30 m3 contains saturated liquid water and saturated vapor in equilibrium at 7 bar, initially the liquid and vapor occupy equal volumes. During a certain time interval saturated vapor is withdrawn from the boiler while simultaneously 15000 kg of liquid water at 40°C are added to the boiler. During the process the boiler maintained at constant pressure of 7 bar by the addition of heat. At the end of the process the saturated liquid remaining in the boiler occupies one-quarter of the boiler volume, and the saturated vapor fills the remainder. How much heat was added to the boiler during the process?
Answers: 3
Engineering, 03.07.2019 14:10, makaylashrout77
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 04.07.2019 18:10, wirchakethan23
Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i. d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.
Answers: 3
4. A steam boiler with capacity 30 m3 contains saturated liquid water and saturated vapor in equilib...
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