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A concrete cylinder having a diameter of 6 in and a gauge length of 12 in is tested in compression the results of the test are reported in the table as load vs contraction . Draw the stress strain diagram using scales of 1 in = .5ksi and 1 in = .2(10^-3) in./in. From the diagram determine approximately the modulus of elasticity.
load (kip) Contraction (in)
0 0
5 .0006
9.5 .00012
16.5 . 0020
20.5 .0026
25.5 .0034
30.0 .0040
34.5 .0045
38.5 .0050
46.5 .0062
50.0 .0070
53.0 .0075
A gas stream with a particulate loading of 20.0g/m^3 is passed through a 70%-efficient cyclone followed by a 95%-efficient ESP. Calculate the overall efficiency of the system.
For satisfactory operation, the static pressure at the pump inlet must not be lower than -6 m of water gage. Determine the smallest standard commercial pipe that will give the required performance.
Colette Lake has a surface area of 103 ha and a mean depth of 8 m. The pH of the water is 7.6. The lake receives surface water from a lake upstream, rainfall, and diffuse groundwater input. Atmospheric inorganic N deposition is insignificant.
Knowing that the magnitude of P is 35 N, determine by trigonometry (a) the required angle a if the resultant R of the two forces applied to the support is to be horizontal, (b) the corresponding magnitude of R.
water is pumped into an irrigation pond at 250 gal/min for 24 hours. the pond area is 2500 square feet. Determine the depth of water in the pond .Provide answer in ft and m
A 3000-lb car has a maximum speed (at sea level and on a level, paved surface) of 140 mi/h with 16-inch-radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. It is known that at the car's top speed the engine is producin..
1.estimatetheparticleremovalefficiencyinarectangularsedimentationtankwithadepthof4mwidthof8mlengthof40mandprocessflowrat
find principle stresses, max shear stress at a cross section 2 ft from the left of each locations: a) neutral axis, b) 2in. above neutral axis, c) the top of the beam.
A glass jar is heated in an oven and sealed when the air pressure is 103 kPa and the temperature is 105 C. Find the absolute, gage, and vacuum pressures in the jar when it cools to 20 C.
Water flows down a wide and shallow rectangular channel of concrete (n=0.015) laid on a slope of 0.004. find the depth and the rate of flow in SI units for critical conditons in the channel
a reversible refrigerator removesm heat from sink at 8c and rejects heat to the atmosphere at 15c the refrigerator is coubled to the outputnof a reversible heat engine which receives heat at 577c and reject to the atmosphere at 15c
A rectangular plata 5 ft by 4 ft is at an angle of 30 degrees with the horizontal, and the 5-ft side is horizontal. Find the magnitude of the force on one side of the plate and the depth of its center of pressure when the top edge is 1 ft below the w..
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