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Oxygen is flowing through a nominal 2 inch schedule 40 steel pipe pipe at a velocity of 10 ft/s. The oxygen is at a fairly constant pressure of 50 psia and at a temperature of 90 deg F. (there would be some pressure drop in the pipe as the oxygen flows along but we will ignore this and assume that at the point where we measure the velocity, the pressure and temperature are also measured) What is the mass flow rate of oxygen in lbm/s? Note that the inside diameter of a nominal 2 inch schedule 40 steel pipe is 2.067inches. Assume ideal gas principles apply.
In the paragraphs that follow, answers are provided to a number of key questions about desogestrel-only pills. What is the desogestrel-only pill?
water contained in a closed, rigid tank, initially saturated vapor at 200C, is cooled to 100C. determine the initial and final pressure, each in bar. locate the initial and final states on a sketches of the p-v and T-v digrams.
If the efficiency of the turbine in converting the mechanical energy given up by the fluid to the turbine shaft is 89% (nt = 0.89), calculate the friction loss in the turbine in J/kg.
two tanks are connected by a valve and line as shown below. the volumes are both 1 m3. tank anbspcontains r-134a at
but they vary in number of outputs, interfacing, cascadability, current limiting, and drive capability. As always, examine the data sheets carefully before substituting these parts! What is a Capacitor?
Steam at 15 bar and 350 degrees C is expanded through a 50% reaction turbine to a pressure of 0.14 bar. The stage efficiency is 80% for each stage and the reheat factor is 1.05.
Estimate the minimum bar diameter to prevent fatigue failure.
a circular curve of highway is designed for traffic moving at 85 kmh. assume the traffic consists of cars without
A power plant operates a regenerative Rankine cycle with a reheat, one closed and one open feedwater heater and has a net power output of 1.2 x 109 Btu/hr.
Find the minimum power of the pump
what are the properties of petrol that it makes particularly suitable for the use as afuel in a motor vehicle.
Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.
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