Engineering, 27.03.2020 00:45 tatemelliott
For a CSTR with a flow rate equal to 1,000 m3/day, an influent contaminant concentration (C0) equal to 200 mg/L and a second-order reaction rate constant (k) equal to 0.2 L/mg-day, calculate the steady-state hydraulic retention time (t0, days) and the reactor volume (V, m3) necessary to achieve a contaminant removal efficiency equal to 90%.
Answers: 3
Engineering, 04.07.2019 18:10
Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
Answers: 2
Engineering, 04.07.2019 18:10
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
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Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
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Engineering, 04.07.2019 18:10
At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.
Answers: 1
For a CSTR with a flow rate equal to 1,000 m3/day, an influent contaminant concentration (C0) equal...
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