WEF Operations Challenge
                                           Process Control Event
                                                        2016
                     Team Name:
                  Team Number:
                  Team Captain:
                     Test points awarded:
              Simulator points awarded :
                       Total event points:
             Multiple choice section
                                  5 pages
                                 30 total questions
                            '10 to 20 points per question
             Extended multiple choice section
                                  2 pages
                                 10 total questions
                            25 to 50 points Per question
             Math multiple choice section
                                  2 pages
                                 10 total questions
                            Up to 50 points Per question
                         50% partial credit possible
                        0 points if work not shown
                     scenarios section                point 
                        Questions may have differing       values
                         up to 180 points per correct answer and work shown
                        50% partial credit possible
                        0 points if work not shown
             Remember that you may be penalized if you don't show your work, even if the answer is correct!
             Allteam members must pafticiPate
                          Ghoice                                                                                TestPage number 1
            Multiple 
        Circle the besf answer for each question from the choices provided.
                          Each correct answer on this page is worth 10 points
                                                                                                                               For grade/s use
         #                  Question                                            Choices                                     Polnts I Proper answer
                                                      A     5Ít (1.5 m)
               The typical operation  depth for             20 rt (6 m)
               digesters is approximately how
         1     many feet?                                                                                                  l('           ll
                                                      c     50 ft (15 m)
                                                      D     80 ft (24 m)
                                                      A     dissolved  solids
               Screening  devices are designed        B     grit particles
         2     to remove                                                                                                     lc         C
                                                            trash solids                                                  J-
                                                      D     settleable  solids
                                                            toxicity
               The adverse effect a substance         B     alkalinity
               has on a living entity defines that
         3     substance's                                                                                                  /c,
                                                      c     acidity
                                                      D     demand
                                                      A     air stripping
               How is phosphorus removed from         B     breakpoint  chlorination
         4     wastewater?                                                                                                  /oÞ
                                                      c     methanol addition
                                                            chemical addition and sedimentation/filtration
                                                            near the floor
               ll ahazardous  gas has a specific      B     equally distributed  throughout the space
               gravity of 1.5, where is this gas
         5     likely to be found if it leaks from a
               contaìner  in a room?                  c     near the ceiling
                                                      D     in a cloud right around the leak
                                                      A     thicker than
               Waste activated sludge is typically          thinner than
                               raw primary sludge.
         6                                                                                                                   /e,         B
                                                      c     the same as
                                                      D     more dense than
            Team number:                                   WEF Operations  Challenge               Total points for page:
            Multiple Choice                                                                                  Test page number 2
        Circle the þesú answer for each question from the choices provided.
                          Each correct answer on this page is worth 10 points
                                                                                                                            For grade/s use
         #                 Question                                           Cholces                                    Polnts I Proper answer
                                                    A     Create d isinfection byproducts
               Ultraviolet  disinfection is          B    Conserve energy
               becoming more popular because                                                                             r(' 
         7     UV systems                                                                                                            Þ
                                                     c    Require no maintenance
                                                          Eliminate safety concerns about handling chlorine
                                                     A    Hydrogen sulfide
               Ultraviolet  lamps contain which of   B    Chlorine gas
         I     the following hazardous
               substances?                                 Mercury vapor                                                 [ct        c
                                                     D     Methane
                                                     A     grt
               What name is given to the                   scum
         o     material floating on the surface of                                                                        ,0
               clarifiers and other settling tanks?  c     trash
                                                     D     screenln9s
                                                     A     specific speed
               The vertical distance through         B     displacement
               which a liquid is to be PumPed is
         10    referred  to                                                                                               /(' D
               AS                                    c     pressure
                                                           head
                                                           methane
               The gas produced in an                B     ethane
               anaerobic digester that can be
         11    used as a fuel is                                                                                           1ó/
                                                     c     carbon dioxide
                                                     D     propane
                                                     A     iron (Fe)
               Most of the major odorous gases             sulfur (S)
         12    contain which element?                                                                                     ic         .g
                                                     c     magnesium (Mg)
                                                     D     iodine (l)
            Team number                                   WEF Operations  Challenge              Total points for page:
            Multiple Choice                                                                                     Test page number 3
        Circle the þesú answer for each question from the choices provided.
                          Each correct answer on this page is worth 10 points
                                                                                                                              For grade/s use
                            Question                                            Cholces                                    Points I Proper answer
         #
                                                     A     Your safety officer
               When it comes to hazards of a          B    An OSHA representative
         '13   specific chemical,  the best source
               of information is                           SDS (Safety Data Sheet) formerly MSDS                            tÒo
                                                      D    your supervrsor
                                                      A    Comprehensive Environmental  Response,
                                                           Compensation & Liability Act (CERLA)
               What document is intended to           B/    National Pollutant  Discharge  Elimination  System
         14    regulate  discharges into                    (NPDES)
               waterways?                             c     Material Safety Data Sheet (MSDS)                               /('         {ì
                                                      D     Occupational Safety and Health Act (OSHA)
                                                      A     carbon dioxide
               ln anaerobic digestion,  what          B     ammonta
         15    explosive gas is formed?                                                                                       IOD
                                                      c     hydrogen sulfide
                                                            methane
                                                      A     chlorine
               Nitrogen  and                 are            phosphorus
         16    essential nutrients for microbial
               growth                                 c     sulfur                                                          t0  B
                                                      D     boron
                                                      A     denitrification
               When sludge does not settle            B     nitrification
         17    properly, the condition is typically                                                                         (0
               referred to as                               bulking                                                                    C
                                                      D     blowdown
                                                      A     sludge color
               A limiting factor for digester         B     pathogen type
         18    loading is                                                                                                   l0
                                                      c     pathogen content
                                                            hydraulic detention  time
            Team number:                                  WEF Operations Challenge                Total points for page: