Engineering, 31.10.2019 03:31 raidattarab
Asewage lagoon that has a surface area of 10 ha and a depth of 1 m is receiving 8640 m3 · d−1 of sewage containing 100 mg · l−1 of biodegradable contaminant. at steady state, the effluent from the lagoon must notexceed20mg·l−1 . no losses or gains of water in the lagoon other than the sewage input, what biodegradation reaction rate coefficient (d−1) must be achieved for a first-order reaction?
Answers: 3
Engineering, 04.07.2019 18:10, tobyhollingsworth178
Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer
Answers: 2
Engineering, 04.07.2019 18:10, krystabrewer3
What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information
Answers: 3
Asewage lagoon that has a surface area of 10 ha and a depth of 1 m is receiving 8640 m3 · d−1 of sew...
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