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Determine the diffusion rate of water from the floor in still air in a room at 30°C. The air is still up to a height of 2 m and the RH at this height is 30%.
Mechanical Engineering, Engineering
1. What is the pressure p A in the figure? The specific gravity of the oil is 0.8. 2. Find the difference in pressure between tanks A and B, if d 1 = 2ft, d 2 = 6 in., d 3 = 2.4 in., and d 4 = 4 in. 3. What is the pres ...
1. Gas turbine and compressed air systems will serve as prime movers at a very high speed. Discuss the design characteristics of an induction generator for those applications. 2. Explain in detail why induction generator ...
The probability of a linear molecule being in a particular rotational level J depends on the temperature, and for J 7 0 there is a temperature Tmax at which the probability for that level reaches a maximum. Derive an exp ...
1. A cylindrical pressure vessel with hemispherical endcaps has radius r = 2 m, wall thickness t = 10 mm, and is made of steel with yield stress σy = 1800 MPa. It is internally pressurized at p = 2 MPa. Compare the Tresc ...
a linear spring k is to be designed to stop a 20-mg railroad car traveling at 8km/h within 400 mm after impact. Find the smallest value of k that will produce the desired result.
Each wood railroad tie supports part of the weight of a train (plus the relatively small weight of a section of rail). This is modeled with two point loads representing the force of the rail on the tie. The reaction from ...
You need a reort if 10 pages and above. the report about colorimeter specificly measuring spesific heat. anything you need will be provided. format sample has been will be provided. and a report sapmle will be provided t ...
Calculate the total lift force on the Arctic hut shown below as a function of the location of the opening. The lift force results from the difference between the inside pressure and the outside pressure. Assume potential ...
Consider the torsion of a thin-walled tube. Determine an approximate expression for the torque if the shear stress must be less than a given working stress τw. Express this result in terms of the tube's mean radius R and ...
1. At what temperature is the kinematic viscosity of glycerin the same as the kinematic viscosity of helium? 2. According to the Hagen-Poiseuille laminar flow model, the volumetric flow rate is inversely proportional to ...
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SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless
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Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen