Read the following passage and answer the 5 questions after each.

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1 Read the foowing paage and anwer the 5 quetion after each. The objective of the tudy to foruate an integrated ater pan for environenta poution contro baed on the reearch, urvey and anayi on ocio-econoic activitie and water poution fro citie, indutrie and etc. In the tate of Mihigan. The pecific objective of the tudy are: deveopent of a ater pan and a trategy to contro and reduce the water poution and to iprove water quaity of the ake; eaureent and onitoring of variou poutant incuding BOD5, COD, SS, DO, ph, C, Teperature, and viibiity; Deterination of the contribution of each poutant; Preparation of diperion ap of poutant; Deterination of the contribution of variou ource of poution incuding doetic, indutria and buine office; Etabihent of a warning counication yte; Etabihent of the tandard that can be achieved with in the next five and ten year; Etabihent of arine poution contro reearch center; Deveopent of an educationa progra for awarene of the genera pubic, technician, and engineer to cope with the probe of water poution; and deveopent and tranfer of technoogie required reducing water poution fro indutria ource incuding phyica, cheica and bioogica treatent procee. 46-The objective of thi tudy coud be oty achieved by: 1) Reearch 2) Survey 3) Anayi of the data 4) A of the above 47- It ee that pecific objective of the tudy are: 1) Can not be counted 2) e than five ite 3) 10 ite 4) over 20 ite 48- Fro the objective, the ot uitabe tie required to achieve the goa coud be etiated to be: 1) two to three year 2) one to three onth 3) two to five week 4) up to ix onth 49- The BOD5, COD and DO paraeter are ainy conidered a: 1) Phyica, cheica and bioogica paraeter 2) Phyica and bioogica paraeter 3) Cheica and bioogica paraeter 4) Non of the above 50- According to the objective of the tudy, the data wi be coected fro: 1) Dicharge of water poution fro the citie 2) Dicharge of water poution fro indutrie 3) Dicharge of water poution fro the citie and dicharge of water poution fro indutrie 4) The water quaity of the ake Peae fi the bank pace by eecting the correct word in the beow quetion: 51-The purpoe of coaguation i to ater the o that they can adhere to each other.

2 1) Dioved oid 2) arge partice 3) cooid 4) oube oid 52-The aount of oxygen required oxidizing a ubtance to carbon dioxide and water which i cacuated by toichioetry i known a 1) ThOD 2) COD 3) BOD 4) TOC 53-The priary purpoe of the bar rack i to reove that woud daage or fou pup, vave, and other echanica equipent. 1) arge object 2) grit 3) upended oid 4) organic partice 54-The anaerobic digetion of copex wate invove three tage which are in equence: 1)ethanogenii, hydroyi, acidogenii 2)hydroyi, ethanogenii, acidogenii 3)ethanogenii, acidogenii, hydroyi 4)hydroyi, acidogenii, ethanogenii 55-iquid that pae through the andfi and that ha extracted dioved and upended atter fro it i caed.. 1) eachate 2) back iquid 3) ixed iquor 4) reidua C/N. - COD (C) (VS) ph CEC. C60.0H 94.3O37.8N - (C=12,H=1,O=16,N=14). -

3 / day BOD u -. 6 BOD BOD day. ) CO 2. - VOC NO x

4 - / - / d / / / - BOD - MSS %70 (CaO) - CO = 15 2, = 300, = , Mg = 0 BOD 5 - BOD 5 BOD 5 BOD 5. / / / / - CO 2 CH 4. CO 2 CO 2 Ravine -

5 CO 2 - CO CH 4 SH c - - c - c - c year *10 g F d - = 0.09 F d = 0.06 F d = 0.03 F d = 0.01 (Hypoinion) - (Oigotrophic) (Eutrophic)

6 (TCE) 30 ( 1100 TCE 1.47 TCE ) 0.03 day. TCE (NAP) Adorption Diperion Advection 3 Diffuion Kg BOD BOD 1c BOD (DO). 60 Do 2 210

7 TKN - COD - Acety-COA (Kreb cyce) - Caco 3 2+ Ca 2+ Mg + Na + K HCO 3 2 SO 4 C No ? 23.0?? 48.0? : Thiobaciu -. (Autotrophic). H 2 S (Hetrotrophic). H 2 S (Autotrophic). H 2 S (Hetrotrophic).. : (Denitrifying Bacteria) Michaei Menten - 20

8 CO 2