Engineering, 23.04.2020 16:31 Kimmie2019
A round casting is 0.2 m (7.9 in.) in diameter and 0.75 m (29.5 in.) in length. Another casting of thesame metal is elliptical in cross section, with a major-to-minor axis ratio of 2, and has the same lengthand cross sectional area as the round casting. Both pieces are cast under the same conditions. What isthe difference in the solidification times of the two castings?
Answers: 2
Engineering, 04.07.2019 18:10
Fluids at rest possess no flow energy. a)- true b)- false
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Engineering, 04.07.2019 18:10
During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 18:10
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
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
A round casting is 0.2 m (7.9 in.) in diameter and 0.75 m (29.5 in.) in length. Another casting of t...
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