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Consider an aluminium (k = 380 W/m-K) cylindrical rod of 0.15-m-long and 0.05-m-diameter.
The top and bottom surfaces of the rod are maintained at constant temperature of 20oC and 95oC, respectively, while the side surface is perfectly insulated. Determine the rate of heat transfer through the rod.
given the following operating conditions for a rolling bearing what lubricant would you select and what is the reason
nitrogen initially occupying 3.5 ft3 at 87 psia 480degf undergoes in internally reversible expansion during which pv1.2
r-134a at 20 psia and 40of is compressed slowly adiabatically and without friction to a final pressure of 200 psia.
If a person and a wheelchair have a mombined weight of 185 lb how much ideal effort force is required to travel up the ramp? Can you just explain to me what equation I need for this?
a 20 degc brix sucrose solution at 70 degf is being pumped from a large open tank at a rate of 16 gallonsmin through a
a temperature measurement device with a time constant of 0.15 seconds outputs a voltage that is linearly proportional
automotive exhaust systems often use two catalytic converters. the exhaust temperature is a key factor which determines
a truck traveling at vo 60 mph when the driver applies the brakes to come to stop the deceleration of the truck is
A vessel of volume V = 10m^3 contains carbon dioxide under a pressure of p1 = 1 atm and at temperature of T1 = 273K. As a result of heat transfer to the gas, its temperature increases to T2 = 793K. The volume-specific heat of the gas at constant volu..
If the minimum attractive rate of return is20% per year, determine the one machine that should be selected on the basis of a rate of return analysis.
both a gage and manometer are attached to a gas tank to measure its pressure. if the reading on the pressure gage is 80
heat is flowing through an annular wall of inside radius r0 and outside radius r1. the thermal conductivity varies
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