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1.If a manometer was used to measure the pressure drop and the fluid in the manometer was an oil with a specific gravity of 0.84, what would the vertical displacement of the oil menisci be for 1 inch of water pressure difference?
2.A steel pipe carries an industrial oil under pressure. The steel pipe inside diameter is 36 in, the pressure head on the fluid is 383.0 ft.
A)- Find the internal fluid pressure in psi?
B)-Find the resulting stress in the steel pipe material if the pipe wall is 3/8 in thick?
A 32mm rebar with a guage length of 200mm was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data were as shown in table below.
Three shafts and four gears are used to form a geartrain which will transmit 7.5 kW from the motor at A to a machine tool at F. (Bear- ings for the shafts are omitted from the sketch.) Knowing that the frequency of the motor is 30 Hz
What is the maximum length of trench that can be excavated by hand economically rather than by a trenching machine. It will cost $900.00 to transport a trenching machine to the job and back to the storage yard.
What is the settling velocity of a floc of diameter 0.15 mm and density 2.12 g/cm3 in water? 2- Will the floc from problem 4 be completely removed in a typical sedimentation basin if alum was used as the coagulant?
Three stock car drivers are racing around a circular bend. They are each circling the bend at different radii: r(1)=249 m , r(2)=255 m , and r(3)=261 m . At a given instant, all three are traveling at the same transverse rate of rotation
Steam enters a nozzle at 400oC and 800 kPa with a velocity of 10 m/s, and leaves at 300oC and 200 kPa while losing heat at a rate of 25 kW. For an inlet area 0f 800 cm2, determine the velocity and the volume flow rate of the steam at the nozzle ex..
The house has a dirt-floor crawl spaces (1m high). The emission rate of radon into the crawl space is 0.6 pCi/m^2-s. An exhaust system was added to provide 1 air exchange per hour (ACH) in the crawl space
A company facing an interest rate of 8% must choose among projects offering the following four-year cash flows. If the company is employing the net present value criterion, which project should they choose
A reaction in a batch system is assumed to be first order. Data listed below was collected. Determine the reaction rate constant. chemical concentration (ug/L) time(min) 19.3 6
Assuming you have a roadway with 5 million traffic ESALS, and a Nominal Maximum Aggregate Size of 12.5mm, determine the requirements for:
draw a flow net. show flow lines flow channels and equipotential lines. using flow nets please provide an estimate of
Need to know how the equation for splitting tensile strength of a concrete cylinder f(ct) = 2P/pi*D*L is derived using mechanics of materials or linear elasticity approach.
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