Engineering, 19.12.2019 04:31 williamrobinson93
In an experiment, a sphere of crystalline sodium chloride (nacl) was suspended in a stirred tank filled with water at 20 °c. its initial mass was 100 g. in 10 min, the mass of the sphere was found to have decreased by 10%. the density of nacl is 2160 kg/m3 and its solubility in water at 20 °c is 320 kg/m3. using these results, the average value of mass transfer coefficient is
Answers: 3
Engineering, 04.07.2019 18:10
The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false
Answers: 1
Engineering, 04.07.2019 19:10
What is the chief metrological difference between measuring with a microscope and with an electronic comparator? a. the microscope is limited to small workpieces.a. the microscope is limited to small workpieces. c. the comparator can only examine one point on the workpiece. d. the microscope carries its own standard.
Answers: 1
Engineering, 04.07.2019 19:10
Acircular aluminum shaft mounted in a journal is shown. the symmetric clearance gap between the shaft and journal is filled with sae 10w-30 oil at t 30°c. the shaft is caused to turn by the attached mass and cord. develop and solve a differential equation for the angular speed of the shaft as a function of time.
Answers: 2
Engineering, 04.07.2019 19:20
The quality is zero at a)-the saturated vapour state b)-the saturated liquid state c)-the saturated liquid-vapour mixture state d)-none of the states in the other answers
Answers: 3
In an experiment, a sphere of crystalline sodium chloride (nacl) was suspended in a stirred tank fil...
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