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As fresh poured concrete hardens, the chemical transformation releases energy at a rate of 2 W/kg. Assume the center of a poured layer does not have any heat loss and that it has an average heat capacity of 0.9 kJ/kg K. Find the temperature rise during 1 hour of the hardening (curing) process.
A solid shaft of diameter D is used to carry an applied torque T. At the time of regular maintenance, engineers decided to replace it with an alternative shaft of hollow geometry with an inner diameter din = D. Considering that the maximum shear stre..
fluid mechanics for chemical engineers.nevers2-11large hydrocarbon storage tanks normally have a valve on their vents
a balloon uses hot air to provide its lifting capacity. prior to its release it is tethered to the ground by a steel
a rigid tank contains 7.5 kg of saturated water mixture at 400 kpa. a valve at the bottom of the tank is now opened and
The thrust, T, of a marine propeller is assumed to depend only on its diameter, D, the fluid density, the viscosity, the revolutions per unit time, and its forward velocity, V. Express this dependence in non-dimensional terms. Is one of the ?–product..
Prepare a power point presentation and a short report relating to the capabilities of Solidworks Motion Manager.
a wall has a total r-value of 15. determine the annual cost of the heat loss per square foot in a climate having 5000
How transformations affect the microstructure and mechanical properties of steel.
Describe the principle and operation of an hearth furnace. Possible references: Making and Shaping of Steels by the American Society of Metals and Google resources.
design a packed tower for the absorption so2 from air. the so2 feed contain 0.0016 mol frac a into pure water in column
Discuss some of the circumstances where mechanical ventilation is required in the welding standards.
air at 100 kpa and 20oc is compressed to 700 kpa steadily and adiabatically at a rate of 2 kfs. determine the power
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