Physics, 29.06.2019 06:10 YuliaTyson6080
Asteel tube (k 15 w/m.°c), with an outside diameter of 7.6 cm and a thickness of 1.3 cm is covered with an insulation material (k-0.2 w/m.°c) 2 cm thick. a hot gas at 330°c with a heat transfer coefficient of 400 w/m2.c flows inside the tube. if the outer surface of the insulation is exposed to cooler air at 30°c with a heat transfer coefficient of 60 w/m2.°c, determine: i) the heat loss from the tube to the air for a 10 m length of tube. il) the outer surface temperature of the insulation material.
Answers: 2
Physics, 22.06.2019 09:40
Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?
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Physics, 22.06.2019 14:00
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
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Physics, 22.06.2019 22:10
Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.
Answers: 1
Asteel tube (k 15 w/m.°c), with an outside diameter of 7.6 cm and a thickness of 1.3 cm is covered w...
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