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A 100ft steel tape measure correctly when supported throughout its length under a tension of 1- lb and at a temperature of 72F.It is used on the field at a tension of 18 lb and supported at the two ends only. The temperature throughout the measurement is 84F. The measured length is 748.25 ft (the tape is suspended between the 48ft mark and zero end for the last measurement). the tape weighs 2.00 lb and has a cross sectional area 0.0060 in^(2). assuming that E=28,000,000 psi for steel, what is the actual length of the line?
Are there any situations when parallel flow option may be preferred instead of a counter flow heat exchanger
A completely mixed retention basin is used to treat an industrial waste water consisting of a non-conservative pollutant, using a reaction that destroys the pollutant according to first-order reaction kinetics, with k = 0.216/day.
The influent flow is 380 Lpcd and the influent BOD5 is 200 mg/L. Pertinent data are: Primary clarifier removes 33% of the influent BOD5, and the state regulatory agency allows a volumetric loading of 0.48 kg BOD5 /(m3.day). Determine the reactor b..
Field tests have shown that the Horton equation best describes the composite roughness of the channel. Find the capacity of the main channel and the lateral extent of the floodplains for a 100-year flow of 1590m^3/s.
A dry quartz sand has a unit weight of 100 pcf. What is the soil's unit weight when the degree of saturation is 75% if Gs = 2.66
An 8x12 column of No. 1 Spruce-Pine-Fir(South) has an unbraced length for buckling about the strong x axis of 16 feet and an unbraced length for buckling about the weak y axis of 8 ft. Cm = 1.0 and Ct = 1.0
The velocity of propagation, c of surface waves is assumed to depend on the water depth, y, the water density, and the acceleration due to gravity, g. Express these variables as a dimensionless group.
Explain about pres-stressed concrete
A car is traveling up a 3% grade on a road that has good, wet pavement. The engine is running at 2500 rpm. The radius of the wheels is 15 inches, the driveline slipage is 3% and the overall gear reduction ratio is 2.5 to 1
The aluminum block has a rectangular cross section and is subjected to an axial compressive force of 8kip. If the 1.5-in side changed its length to 1.500132 in., Determine Poisson's ratio and the new length of the 2-in side.
A 600 MWe power plant has an efficiency of 36% with 15% of the waste heat being released to the atmosphere as stack heat and the other 85% taken away in the cooling water.
The cables A and B exert forces FA and FB on the hook. The magnitude of FA is 100 lb. The tension in cable B has been adjusted so that the resultant of the two forces is oriented perpendicular to the wall to which the hook is attached.
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