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Refer to the shell-and-tube heat exchanger shown in Fig. 9.13. The outer tube has an OD of 7/8 in and the OD of the inner tube is 1/2 in. Both tubes are standard steel tubes with 0.049-in wall thicknesses. The inside tube carries 4.75 gal/min of water at 200°F and the shell carries 30.0 gal/min of ethylene glycol at 77°F to carry heat away from the water. Compute the Reynolds number for the flow in both the tube and the shell.
A line is represented by two end points (-1,0,0) and (2,0,0). The coordinate system is rotated 90 degrees about the y axis and then the orgin is moved to (2,2,2). What is the line in the new coordinate system? I need help on using this with homogeneo..
Find the displacement response of the valve from its rest position when the cam applies the force F for the first time.
What size UNF bolt made from SAE grade 5 steel is needed to carry a static tensile load of 3000lb with a safety factor of 4 based on proof strength? If this bolt is used with a nut ade of steel corresponding to SAE grade 2 specifications, what is the..
two boxes made of the same material have the same masses but their dimensions are different. the bases of the boxes in
What is the definition of saturation of a fluid? There are three phases in a reservoir: oil, gas, and water. Assuming that all pores are occupied by fluids and the volume for each phase is as follows:
Saturated ethylene glycol at 1 atm is heated by a horizontal chromium-plated surface which has a diameter of 200 mm and is maintained at 480 K. Estimate the heat- ing power requirement and the rate of evaporation.
describe fully what happens when you cools down a melt of 40mol nio-60mol mgo. give the compositions of the phases and
air initially at 85 kpa 900k and occupying a volume of 0.15 m3 undergoes two processes. the air is compressed
Note that the positive y direction is downward and counterclockwise torques are positive. find alpha the angular acceleration?
a desiccant is being used to remove water vapor from a stream of air with 90 rh at 50oc. the desiccant is a flat plate
1 a window of building loses 1.2 julessec of heat during 24 hours period time. determine heat loss during this in kj?2
For the process where q= 62.5 kj/kg and wkcs= 60 kj/kg determine the energy change if the system mass is 2 kg.
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