Engineering, 13.07.2021 18:50 josie122
2. A hollow rectangular box having dimensions 50 cm x 24 cm x 36 cm floats upright in fresh water with seven eighths of its volume immersed in the water.
a) Determine the mass of the box.
b) Determine the up-thrust on the box:ā
Answers: 2
Engineering, 04.07.2019 18:10
Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.
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Engineering, 04.07.2019 18:10
Burgers vector is generally parallel to the dislocation line. a)-true b)-false
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Engineering, 04.07.2019 18:10
Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200Ā°c and outer surface temperature of the insulation to be 15Ā°c. calculate the thickness of insulation required.
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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 Ā°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
2. A hollow rectangular box having dimensions 50 cm x 24 cm x 36 cm floats upright in fresh water wi...
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