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If the uncertainties in temperature and pressure for Prob. 7.49 are ±1.5?F and ±2 kPa, respectively, what is the uncertainty of the billing if the actual volume flow measurement is exact?
Prob. 7.49
A positive-displacement meter is used to measure the flow of methane (CH4) at 20?F and 0.95 atm. Temperature and pressure transducers are installed that feed an electronic circuit, which then indicates the flow in standard cubic feet per minute (ft3/min) for billing a customer. The meter itself senses actual volume flow. What factor must be multiplied by the actual volume flow to give SCFM?
Two level sections of an east-west highway (G = 0) are to be connected. Currently, the two sections of highway are separated by a 4000-ft (horizontal distance), 2 % grade.
two pieces of steel are held together with six bolts. one end of the first piece of steel is welded to a beam and the
A multinational engineering consulting firm that wants to provide resort accommodations to certain clients is considering the purchase of a three-bedroom lodge in upper Montana that will cost $250,000. The property in that area is rapidly appreciatin..
A city of 60,000 people generates 50,000 tons of MSW per year. At current recovery and recycling rates, 21 percent of that MSW is recovered or recycled and the rest goes to a landfill.
Your project calls for construction of a 6 story building that is 75' x 150'. The building will be constructed with multi story cast in place construction using 2 sets of shores and one set of reshores. For each of the above, calculate the load and..
Explain briefly shallow foundation?
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.
The results, listed in dollars, were as follows: New Process 51 52 55 53 54 53 Old Process 50 54 59 56 59 58 Can you conclude that the mean cost of the new method is less than that of the old method?
A hydraulic jump occurs in a rectangular open channel. The water depths before and after the jump are 0.6 m and 1.5 m, respectively. Calculate the critical depth.
The compound interest formula is F=P(1+i)n where F is the total amount due, P is the initial cost or amount of money, i is the interest rate, and n is the number of periods interest is computed. 1.A student purchases a $1400 laptop computer for sc..
A bus line 4 miles long runs through an area with 1/6 acre lots,3.5 people per household, average 1 car per household. People willwalk up to 1/6 mile to a bus stop, so stops are located 1/3 mileapart along the route. Say commuters will tolerate 20 mi..
A man weighing 80 Kg is moving from point A to Point G in the following wooden bridge. This bridge can be assumed as a beam. Draw the maximum reaction force due to the man's weight at points A and E. Also draw the maximum shear and moment force due t..
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