Engineering, 24.11.2020 02:00 ehuntsman8221
A Layer of sand 5m deep overlies a thick bed of clay. What is the total stress on a horizontal plane to a depth of 9 meters below the ground surface in the following cases: if the water table is at 2 meters below the ground level and the sand above remains saturated with capillary moisture? For sand, ysat = 20.9 KN/m3, for clay ysat = 17.8KN/m3 and y water = 9.807Kn/m3. Use only numerical numbers no units (1dp)
Answers: 2
Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
Engineering, 04.07.2019 19:20
Apure substance is a)-mixture of various chemical elements or compounds b)-substance that has a fixed chemical composition throughout c)-mixture that is homogeneous (such as air) d)-all the answers
Answers: 3
Engineering, 06.07.2019 02:30
Air (c-1.006 kj/kg.k, r-0.287 kj/kg.k) enters a nozzle steadily at 280 kpa and 77°c with a velocity of 50 m/s and exits at 85 kpa and 320 m/s. the heat losses from the nozzle to the surrounding medium at 20°c are estimated to be 3.2 kj/kg. determine (a) the exit temperature and (b) the total entropy change for this process. solve this problem using constant specific heats.
Answers: 1
A Layer of sand 5m deep overlies a thick bed of clay. What is the total stress on a horizontal plane...
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