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The airflow system in Prob. 7.60 is measured with a venturi having like dimensions as the orifice, i.e., the same pipe diameter and throat diameter. Calculate the flow rate in kg/s for the same pressure and temperature measurements as in Prob. 7.60.
Prob. 7.60
An orifice is installed according to ASME specifications in a 5.0-cm-diameter pipe. The diameter of the orifice is 2.5 cm and the pressure taps are one diameter upstream and one-half diameter down-stream. Amano meter is used to measure the orifice pressure differential as 1932 mmH2O and the upstream pressure is measured as 400 kPa gage pressure with the local barometer reading as 750 mmHg. The fluid is air at a temperature of 27?C. Calculate the airflow rate in kg/s.
Using the Gumbel probability function, estimate the probability that a maximum 24 hour depth in any year will exceed 160 mm. What is the probability that the maximum 24 hour depth will exceed 125 mm
Primary treatment removes ~25 percent of the BOD. Calculate the volume (m3) and approximate hydraulic retention time (h) of the aeration basin required to run the plant as a "high rate" facility (F/M = 2 kg BOD/kg MLSS-day).
Although primary and secondary sedimentation is responsible for the removal of some BOD, you will design a bioreactor which removes 85% of BOD entering the plant using an activated sludge bioreactor. Use the following values: Influent (to bioreactor)..
The bearing of one side is given. With this bearing and the adjusted interior angles, draw a sketch of the traverse. The alphabetical order of the stations gives the forward, counterclockwise direction around the loop.
The two disks each have a mass of 25kg and are attached at their centers by an elastic cord that has a stiffness of k = 1.6kN/m . Determine the stretch of the cord when the system is in equilibrium
A counter flowing heat exchanger has one line with 2 kg/s at 125 kPa, 1000 K entering, and the air is leaving at 100 kPa, 400 K. The other line has 0.5 kg/s water coming in at 200 kPa, 20?C and leaving at 200 kPa. What is the exit temperature of t..
A reverse osmosis plant desalinates 5*10^6 L/day of feedwater containing 1500 mg/l of salt, yeilding 3*10^6L/day of product water with 75 mg/l of salt. What would be the salt concentration be in the brine?
An aluminum tube AB is rigidly connected to a steel shaft BC at B. Determine the angle of twist at B and the maximum shear stress in both materials due to the torque applied at B.
scenario this is a real case project client is considering building a four story dual usage flats suitable for both
The P.C. of a 3 degree curve, whose degree is based on a chord of100 ft. arc, is at Sta. 19+39.60 and the P.T is at Sta. 25+64.60. Calculate the deflection angle from the tangent at the P.C to each100-foot station on the curve and to the P.T.
AN L76X76X12.7 angle- section is used as cantilever column of length L. Find the maximum allowable value of L if the column is not to buckle when the 12kN axial load is applied . assume E= 200Gpa.
A 2 kg block is projected up a frictionless plane with and initial speed of 8 m/s. The plane is inclined upward at 30°. If the block travels 5 m before striking a linear spring, what should the spring stiffness be if the spring compression is to be l..
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