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A perfect gas (methane) undergoes a reversible polytropic process in which the polytrotic exponent is 1.4. 1) Using the first law, arrive at an expression for heat transfer per unit mass solely as a function of the temperature difference (change in T). This should be some numerical value. use Si units.
The professor takes a 3 liter empty can and fills it with saturated water vapor at 100 deg. C, 1 atm. He seals the can and immerses it in ice water. If the can is perfectly rigid, what is the final pressure in the can? And what mass fractions of the ..
as a heat transfer specialist for a large company in the mid-west you have been asked to determine the power needed to
two kilograms of saturated water vapor at 600 kpa are contained in a piston-cylinder device. the water expands
A throttle process is an irreversible process. Assume an air flow at 1000 kPa, 400 K runs through a valve out to ambient 100 kPa. Find the reversible work and irreversibility assuming an ambient temperature of 25°C. Please show and explain in detail.
a pipeline is to be supported above ground on horizontal beams 14ft long. consider each beam to be simply supported at
a 9-cm-diameter spherical ball whose surface is maintained at a temperature of 110oc is suspended in the middle of the
a 15 kg block b is being pulled along a smooth surface by a winch a. assume the winch is a 10 kg disc with a constant
an insulated piston-cylinder arrangement contains 2 l of saturated liquid h2o at a pressure of 150 kpa. an embedded 1.5
a piston-cylinder device contains 0.15kg of air initially at 2mpa and 350oc. the air is first expanded isothermally to
Assume a diffusion coefficient of 1 × 10-8 m2/s, that the concentrations at the high- and low-pressure sides of the plate are 2.4 and 0.6 kg of hydrogen per cubic meter of palladium, and that steady-state conditions have been attained.
Consider a beam of protons bombarding a sample of sulfur. One possible nuclear reaction is 34-S(p, alpha)31-P. (a) What is the Q-value for this reaction? (b) What is the minimum energy that a proton must have in order for the reaction to occur?
a 10-ft steel beam is lowered by means of two cables a amp b distant of 9-ft unwinding at the same speed from overhead
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