The flow rate to a fine-bubble aeration basin is 21.5 mgd at 20°c with an influent bod concentration of 180 mg/l and 31 mg/l of ammonia. the effluent concentration is 10 mg/l of bod and no ammonia. according to the aeration equipment manufacturer, at the local operating conditions, for this equipment otr = 3.0 lb o2/hp-hr and ote = 25%. calculate.
a) the total oxygen demand, in lb/day.
b) the power required to operate the aeration system, in hp.
c) the air flow rate, in ft3 /min.

If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79

Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan

Which of the following actions by the team or their leadership can result in reduced team performance? select one: a. the team leader promotes an intrinsically interesting or challenging project. b. the team leader rewards a team member with a clock for his or her hours of overtime spent in the service of a team’s project. c. the team shares, and mutually sets, their own performance goals. d. team leaders increase team size so that more employees get an opportunity to contribute to the project. question 17 not yet answered points out of 2.00 not flaggedflag question question text the positive illusion bias refers to: select one: a. people who believe themselves to be superior and more talented than others on their team. b. people who work harder for the team hoping to improve the overall team’s reputation within the larger organizational context. c. managers who convey a positive attitude in order to positively influence their team’s group mood. d. a team member who has positive news to share about the group’s task in hopes that it will spur morale and increase productivity. question 18 not yet answered points out of 2.00 not flaggedflag question question text the positive illusion bias, or unwarranted beliefs in one’s own superiority, can wreak havoc in teams. why? select one: a. individuals believe their contributions will not be sufficient to justify their efforts. b. individuals with this bias are interested in vastly different team goals than that of their other teammates. c. individuals who see themselves as above average are likely to engage in social loafing because they have a false sense of the value of their contributions. d. individuals with this bias always have a high sense of the protestant work ethic. question 19 not yet answered points out of 2.00 not flaggedflag question question text which of the following performance criteria are used to evaluate the success of a team? select one: a. productivity b. financial profit c. diversity d. rewards question 20 not yet answered points out of 2.00 not flaggedflag question question text the team performance equation attempts to predict the actual productivity of a team. it states that the ap (actual productivity) of a team equals: select one: a. the potential productivity of a team, plus team synergies, minus team threats. b. the potential productivity of a team, plus team culture, minus free-riding. c. the potential productivity of a team, plus task design, plus team culture. d. cohesion, plus learning, plus integration.