Engineering, 17.07.2020 14:01 jake56555
-URGENT- A closed container with a volume of 2 m3 contains 4 kg of saturated liquid-vapor mixture at 200 kPa pressure. Heat is given from the surrounding environment at 160⁰C until the water in the container is completely saturated vapor. a)Find the entropy change of the system. b) Find the heat transfer to the container. c) Find the total entropy change.
Answers: 3
Engineering, 04.07.2019 18:10
Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.
Answers: 1
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 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
Engineering, 04.07.2019 19:20
Determine (a) the maximum thermal efficiency of reversible power cycles operating between a hot reservoir at 1000°c and a cold reservoir at 200°c and (b) the maximum cops for reversible refrigeration and heat pump cycies, respectively, between 28°c and 14°c.
Answers: 1
-URGENT- A closed container with a volume of 2 m3 contains 4 kg of saturated liquid-vapor mixture at...
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