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1.How high does a column of engine oil (unused, 20 deg C) have tobe to give the same pressure as 700 mm of HG at 25 deg C?
2.Does the length of the members in a truss affect the forces inthe joints?
3.A cylinder with a 6 in diameter and 12 in length is put undera compressive load of 138.4 kips. The modulus of elasticity for thespecimen is 6500 ksi and Poissons ratio is 0.4. Calculate the finallength and the final diameter of the specimen under the load.
A toxic compound being is removed from solution in a CSTR at Steady State according to a first order reaction rate. The upstream concentration of the pollutant is 14 mg/L and the downstream concentration is 1.7 mg/L.
An aquifer has a hydraulic conductivity of 12 ft/day and an effective porosity of 17% and is under a hydraulic gradient of 0.0055 m/m. A. Compute the specific discharge in m/s.
a package in the shape of a rectangular box can be mailed bynbspthe us postal service if the sum of its length and
An 18 in. newriveted steel pipe 1000 ft long runs from elevation 150 ft toelevation 200 ft. If the pressure at elevation 150 ft is 100 psiand at elevation 200 ft is 72 psi, what flowrate can be expectedthrough the line? (use e = 0.003 ft)
A new concrete mix is being designed to provide adequate compressive strength for concrete blocks. The specification for a particular application calls for the blocks to have a mean compressive strength greater than 1350 kPa.
A hollow circular shaft is loaded in pure torsion. Describe how the shear stress due to the applied torque varies on a cross section whose unit normal vector lies parallel to the long axis of the shaft.
What are the inputs needed to determine stress a polymer with a fixed end on one side, and the other with a tension force of 50,000 lbs a year after the load is applied
2 kilomoles of diatomic oxygen gas are enclosed in a 10-kg steel container. A force of 2kN now accelerates this system. What is the acceleration
A ssume that one half of the energy incident on the collector goes to this reservoir, which, in turn, serves as a source for a heat engine. If the temperature of the atmosphere is 70 F,
Design a concrete column of 14 ft high to support a dead load of 80 kips and a live load of 200 kips. f'c= 6,000 psi fy= 60,000 psi
A sample of coarse aggregate weights 1072 grams when oven-dried, 1091 grams when saturated surface-dried, and 667.6 grams when submerged. Calculate the bulk specific gravity, apparent specific gravity, and percent absorption.
The maximum specific growth rate of the organisms driving this reaction is 5.0 days -1 and the growth rate is 0.54 day-1. The activated sludge tank has a volume of 40 m3 and the flow rate into it is 400 m3/day.
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