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? How do human beings make economic decisions in engineering, business and personal contexts?
? What is entailed ineconomic decision making and the process?
? How do ethics play a part in engineering and the decision making process?
Hot combustion gases flow into a nozzle at low velocity with an enthalpy of 1,000 kJ/kg at a mass flow rate of 1 kg/s. At the nozzle exit, the enthalpy is reduced by a factor of 2. What is the thrust experienced by the nozzle as a result of the exhau..
a methane combustion chamber has the following inlet conditions kj 1000j t2693 k mfr280.4kgsec ft0.026 tf480k hm50000
CeO2 is an important energy material for application in fuel cells. What kind of bonding do you expect between Ce and O in this material? Why? Which broad class of material would this oxide belong to? The ionic radius of Ce4+ and O2- are 0.102 and 0...
The force exerted on the cue ball by the cue is horizontal. Determine the value of h for which the ball rolls without slipping. (Assume that the frictional force exerted on the ball by the table is negligible.)
Air is contained in a piston-cylinder assembly, initially at 40 psia and 600 R. The air expands in a polytropic process with n = k = 1.4 until the volume is doubled. Modelling the air as an ideal gas with constant specific heats,
1 given nitrogen n2 gas within a piston-cylinder assembly undergoes a compression from p1 0.2 mpa v1 2.75 m3 to a
determine the instantaneous rate of heat transfer from a 1.5-cm-diameter ball bearing with a surface temperature of 150
a distillation column is purchased for 300000. the firm finance 40 of the investment with its own resources and the
a cnc drill press is to perform a series of through-hole drilling operations on a 1.75 in thick aluminum plate. each
What is the primary difference between the strength of a structure and the strength of a material? Is a strong material stiff?
0.2 m3 of saturated liquid r-134a in a piston cylinder is heated at a constant pressure of 800kpa to 50 dcg c. what is
a furnace is hsaped like a long equilateral-triangular duct where the width of each side is 2 m. heat is supplied from
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