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1. A jet engine receives a flow of 150 m/s air at 75 kPa, 5?C, across an area of 0.6 m2 with an exit flow at 450 m/s, 75 kPa, 800 K. Find the mass flow rate and thrust
2. How large a force must be applied to a squirt gun to have 0.1 kg/s water flow out at 20 m/s? What pressure inside the chamber is needed?
A well-mixed sewage lagoon (a shallow pond) is receiving 430 m^3/d of sewage out of a sewer pipe. The lagoon has a surface area of 10 ha (hectares) and a depth of 1 m. The pollutant concentration in the raw sewage discharging into the lagoon is 18..
Chemical ‘x' is regulated by EPA and the maximum allowable concentration in water is 10g/L. 1000 kg of chemical ‘x' is released in a lake (volume 1,000 m3) where it undergoes degradation as a first order reaction process
A lumber company that cuts fine woods for cabinetry is evaluating if it should retain the current bleaching system or replace it with the new one. The relevant costs of each system are known or estimated.
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
Define flow at a hydraulic jump (upstream and downstream) in terms of the types of flow and corresponding Froude number. What is the depth of water at each section (upstream and downstream) compared to critical depth
Match each transformation description below with the name of a corresponding transformation. Diffusion-dependent with change(s) in phase composition(s) Diffusionless Diffusion-dependent with non change(s) in phase composition(s) The things you match ..
The coefficient of static friction between each crate and the ground is 0.25 The crates are next to each other connected by a rope and then from the other end one has a P force going up at an angle of 30 degrees
Write a program that allows the user to enter a payroll code. The program should search for the payroll code in the file and then display the appropriate salary. If the payroll code is not in the file, the program should display an appropriate messag..
Determine the design compressive strength for a pinned ended HSS 8x8x3/8 column of ASTM A500, grade B steel with an unbraced length of 35ft
At compressor exit, the specific entropy is the same as that at the inlet, and the pressure is 60 psia. Determine the R-134a exit temperature and the change in the enthalpy of R134a.
Balance by the compass rule the departures and latitudes listed in the following closed-polygon traverse. Calculate the linear misclosure, relative precision, and adjusted lengths and bearings
the 70 m tall tower is supported by three cables that exert forces fab fac and fad on it. the magnitude of the force
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