Engineering, 29.10.2019 03:31 leylaanddade
2. a metal sphere (diameter = 0.2 cm, density =9.5 g/cm3 ) is settling in glycerol (density = 1.26 g/ml, viscosity =1069 cp) at its terminal velocity. a) what is the terminal velocity in cm/sec? be sure and state your assumptions and verify that they are true, when possible. b) what is the kinetic force on the sphere in dynes? c) if we change the sphere’s density but not its size, will the magnitude of the form drag change? why? d) what is the force of
Answers: 3
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
Engineering, 04.07.2019 18:10
Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.
Answers: 1
Engineering, 04.07.2019 19:20
Consider airflow over a flat plate of length l = 1.5 m under conditions for which transition occurs at le = 0.9 m based on the critical reynolds number, re,e = 5 x 10. evaluating the thermophysical properties of air at 400 k, determine the air velocity. (hint: use the tables to find the properties of air)
Answers: 3
2. a metal sphere (diameter = 0.2 cm, density =9.5 g/cm3 ) is settling in glycerol (density = 1.26 g...
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