Engineering, 25.10.2019 22:43 slycooper99
The composition of organic matter in wastewater can be approximated by the formula c5h7no2. during the first stage of biological treatment under aerobic conditions, the following reaction occurs (aerobic bacteria consume the organic matter). if a wastewater contains 190 mg/l of c5h7no2, what is the theoretical carbonaceous bod of this solution (in units of mg/l)? c5h7no2 + 02 ➔ co2 + 2h2o+ nh3
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Engineering, 04.07.2019 18:10
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Engineering, 04.07.2019 18:10
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
Answers: 2
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
Engineering, 04.07.2019 18:10
The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false
Answers: 1
The composition of organic matter in wastewater can be approximated by the formula c5h7no2. during t...
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