Engineering, 20.09.2020 14:01, michaelowenmccollum
Specify which statement is true () and which false (X) a) Softwood has stronger properties than hardwood b) Nominal dimensions are used to specify lumber sizes c) The actual dimensions of lumber is usually larger than the nominal dimensions. d) Joists are usually supported on Beams and Beams usually supported on Posts e) Studs are used horizontally in walls f) Surfaced lumber is the same as dressed lumber
Answers: 1
Engineering, 03.07.2019 15:10, brooklyn674
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 04.07.2019 18:10, QueenLife4869
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 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.
Answers: 3
Engineering, 04.07.2019 18:20, 21megoplin
How much power could a wind turbine produce if it had the following specifications? cp = 0.45 -d=1.2kg/m3 d=50m v 5m/s
Answers: 2
Specify which statement is true () and which false (X) a) Softwood has stronger properties than har...
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