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Intravenous infusions are usually driven by gravity by hanging the fluid bottle at sufficient height to counteract the blood pressure in the vein and to force the fluid into the body. The higher the bottle is raised, the higher the flow rate of the fluid will be.
(a) If it is observed that the fluid and the blood pressures balance each other when the bottle is 1.2 m above the arm level, determine the gage pressure of the blood.
(b) If the gage pressure of the fluid at the arm level needs to be 20 kPa for sufficient flow rate, determine how high the bottle must be placed. Take the density of the fluid to be 1020 kg/m3.
A turning operation uses a 2/64 in nose radius cutting tool on a free machining steel with a feed rate = 0.010 in/rev and a cutting speed = 300 ft/min. Determine the surface roughness for this cut.
Then, estimate the PP assuming an interest rate of 6% and an inflation rate of 3%. Finally, calculate the levelized cost of the saved energy assuming the lamps last for 2 years.
A solution of cyclohexanone (4.0 mg/mL) in the solvent selected in part (b) exhibits a blank-corrected absorbance of 0.800 in a cell with a path length of 0.025 mm. What is the detection limit for this compound under these conditions if the noise ..
a homeowner has devised a humidifier that is shown below. water is taken from the faucet and fed to a reservoir that
a solid shaft has a diameter d a hollow shaft made out of the same material has an outside diameter d and an inside
a 0.2m3 rigid tank equipped with a pressure regulator contains steam at 2 mpa and 300 degrees c. the steam in the tank
n-butane c4h10 is burned with 80 percent theoretical air and the products of combustion an equilibrium mixture
Air is compressed adiabatically from p1 = 100 kPa, T1 = 300 K to p2 = 1500 kPa, v2 = 0.1227 m3 /kg. The air is then cooled at constant volume to T3 = 300 K. Assuming ideal gas behavior and neglecting kinetic and potential energies, calculate the work..
he normally closed section of the button has been connected in series with the normally open run push button, and the normally open section of the jog button is connecting in parallel with the holding contacts. Explain how this circuit operates.
The compression strength of Kevlar 49 fiber is about one-eight of its tensile stress. Estimate the smallest diameter of a rod on which 12 um diameter Kevlar fiber can be wound without causing kinks on its compression side.
determine the power of a pump if 2000 kgmin of water is compressed from 100 kpa to 1 mpa. the water density can be
Why is it often difficult to evaluate the elastic limit. What is the effect of poor alignment of the specimen. Why does a specimen that is properly aligned provide a more accurate estimate of the tensile strength compared to the estimate provided f..
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