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1. Explain why the bulk temperature defined by Eq. 7.7-3 is equal to T∞.
2. Air at atmospheric pressure and 90°F flows past a flat plate maintained at 600°F. The plate is 3 ft long and the air velocity is 105 ft/sec. Find the heat transferred from the plate, per foot of width.
3. Water at 100°F flows at a velocity of 14 ft/sec past a steam-heated tube 1 in. in diameter. If the outside surface of the tube is 187°F, find the heat transfer per unit length of tube.
a storage tank 26 ft in diameter and 36 ft high is filled with sae 30w oil at 20degc. a what is the gauge pressure in
One of the most frustrating aspects of contract management to customersclients is the length of time that it commonly takes to close out a project (from an administrative standpoint) after most or all of the contract scope of work has been complet..
consider a steam pipe of length l 9 m inner radius r1 5 cm outer radius r2 6 cm and thermal conductivity k 12.5
a closed rigid tank whose volume is 1.5 m3 contains refrigerant 134a initially a two phase lipuid-vapor mixture at 10c.
Calculate the expected number of vacancies that will exist in a cubic inch of Aluminum at room temperature (25°C), provided that the activation energy for vacancy formation in Aluminum is equal to 0.75 eV/atom.
link bc is 6 mm thick and is made of a steel with a 450-mpa ultimate strength in tension. what should be its width w if
a 4 lb block with an initial velocity of 5 fts is sliding down a 30 degree slope before being slowed by a spring. if
Show transcribed image text Determine the normal force, shear force, and moment at point C. Take that w = 14kN/m
Consider a dipole consisting of two charged particles on the x axis, one with positive charge q+ located at x=+1/2d and one with negative q- charge located at x=-1/2d
the water in a 25 m deep reservoir is kept inside by a 150 m wide wall whose cross section is an equilateral triangle.
Calculate the approximate amplitude of steady-state motion assuming that both the mass and the surface that it slides on are made of lubricated steel.
A heat-treated steel shaft is to be designed to support the spur gear and the overhanging worm shown in the figure. A bearing at A takes pure radial load. Identify the material and its heat treatment
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