Engineering, 19.07.2019 21:20 hahalol123goaway
Avertical cylinder 180 cm tall and 30 cm in diameter might be used to approximate a man for of the cylinder is 25°c, the surface emissivity is ? 0.9. heat transfer calculations. assume that the surface temperature convective heat transfer coefficient h 12 w/m2.°c, and the furthermore, assume that the cylinder is placed in a large room where the air temperature is 20°c and the wall temperature is 10°c. calculate the rate of heat lost from the cylinder
Answers: 2
Engineering, 03.07.2019 15:10
If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.
Answers: 1
Engineering, 04.07.2019 18:10
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:20
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
Answers: 2
Engineering, 04.07.2019 18:20
What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.
Answers: 3
Avertical cylinder 180 cm tall and 30 cm in diameter might be used to approximate a man for of the c...
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