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A previously calibrated rotometer is being used to measure a gas flow. The old calibration curve is a straight line described by the following equation:Q=1.10RR-0.50WhereQ=flow, liters/minuteRR=rotometer readi g, dimensionlessThe rotometer was calibrated using ethane (C2H6) at 1.40atm and 60*F. The gas presently bei g used is methane (CH4) at 1.10atm and 100*F.
A. Calculate the true volumetric flow rate of methane in the rotometer whe. The rotometer reads 4.0.
B. Calculate the mass flow rate of methane in g/min.
An underground storage vault is to be constructed to serve as a detention pond for a heavily urbanized area. The walls of the vault will be vertical, but the flow will be sloped along its length to promote drainage.
The efficiency of the engines of subsonic airplanes depends on air pressure and usually is maximum near about 36,000 ft. Find the air pressure y(x) at this height. The rate of change y(x) is proportional to the pressure
The three hinged arch is composed of segments of a circle. Support points A and D are not at the same level.Determine: (a) the horizontal and vertical components of reaction at A and D.
A community has a current population of 15,000. 10 years ago, the population was 12,500 and the community has a declining growth rate with a saturation population of 22,000.
A round bar of 6mm diameter is made of 6061-T6 aluminum. When the bar is stretched by an axial force P, its diameter decreases by 0.450 microns. what is the magnitude of the load P
If a flow of 5.0 cfs is to be carried by an 11000 ft cast-iron pipeline without exceeding a head loss of 137 ft, what must the pipe diameter be
Using the Gumbel probability function, estimate the probability that a maximum 24 hour depth in any year will exceed 160 mm. What is the probability that the maximum 24 hour depth will exceed 125 mm
The beams support one-way slabs, 6 inches thick that span 20 feet center to center. Assume that the beams are 16 inches wide and 24 inches deep. Determine the dead load in pounds per linear foot for the beams, from the concrete structure alone.
the circular top of a can has a radius of .0320m. the pull-tab has an area of 3.8x10^-4 m^2. the absolute pressure of the carbon dioxide in the can is 1.40x10^5Pa. find the force that these gas generates on the top of a can?
A solid steel shaft of circular cross section and diameter 6 inches in pure torsion under torque. If E=30x10^6 pse and max shear stress is 30 ksi, calculate the torque. If the shaft was hollow, with an innner diameter of 2 inches and outer diameter..
A municipality uses green energy and treats 15 × 106 gal/day of a groundwater containing the following: CO2 = 17.6 mg/L, Ca2+ = 80 mg/L, Mg2+ = 48.8 mg/L, Na+ = 23 mg/L, Alk(HCO3-) = 270 mg/L as CaCO3, SO42- = 125 mg/L, Cl- = 35 mg/L.
Given that uniform flow is subcrital and there is a weir in a rectangular channel, how do you determine what the weir height should be to force the flow to be critical. Draw this transition on a specific energy curve.
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