Wastewater Practice Test (Florida) English
Exam questions with correct answers
According |to |FDEP |chapter |62-600.440 |(4) |(b) |FAC, |basic |level |disinfection |is |described |as: |- |VERIFIED |
ANSWER✔✔-A |chlorine |residual |of |0.5 |mg/L |for |15 |minutes |at |peak |hourly |flow
FDEP |chapter |62-604.550 |(a) |FAC, |requires |a |wastewater |spill |shall |be |verbally |reported |to |the |state |
warning |point |no |later |than: |- |VERIFIED |ANSWER✔✔-24hrs |from |discovery
What |is |the |'rule |of |thumb' |regarding |pump |packing? |- |VERIFIED |ANSWER✔✔-Never |put |rings |of |new
|packing |over |the |old |packing
According |to |FDEP |chapter |62-60, |FAC, |a |composite |sample |shall |be |used |for |which |test? |- |VERIFIED |
ANSWER✔✔-Effluent |CBOD
Chlorine |residual |can |be |measured |in |several |ways, |including |the |use |of |DPD |reagent, |
spectrophotometers |and |iodometric |titration. |Which |of |the |following |is |also |an |approved |method? |- |
VERIFIED |ANSWER✔✔-Amperometric |Titration
Chapter |62-601, |Domestic |wastewater |treatment |plant |monitoring, |states |that |on-site |tests |for |total |
residual |chlorine, |pH, |and |_______ |can |be |performed |under |the |direction |of |a |certified |operator: |- |
VERIFIED |ANSWER✔✔-Dissolved |Oxygen(DO)
Starting |this |type |of |pump |against |a |closed |valve |can |cause |major |damage |to |the |pump, |pump |piping,
|the |operator, |or |all |three |- |VERIFIED |ANSWER✔✔-Positive |displacement |pump
These |types |of |samples |may |be |used |for |CBOD5 |and |nutrients |at |flows |less |than |100,000 |GPD, |
according |to |chapter |62-601 |- |VERIFIED |ANSWER✔✔-Grab |samples
According |to |FDEP |chapter |62-602, |drinking |water |and |wastewater |treatment |plant |operators, |duties |
of |operators |includes |reporting |to |the |permittee |and |the |department, |as |soon |as |possible, |but |within |
24hrs: |- |VERIFIED |ANSWER✔✔-Any |major |interruption |of |service
,What |could |cause |a |centrifugal |above |ground |pump |to |be |noisy |while |running |- |VERIFIED |
ANSWER✔✔-Debris |caught |in |the |impeller |housing
According |to |FDEP |chapter |62-601 |FAC, |Domestic |wastewater |treatment |plant |monitoring, |discharge |
monitoring |reports |(DMRs) |for |the |previous |month |must |be |submitted |to |the |department |by |the |
____________ |day |of |the |current |month? |- |VERIFIED |ANSWER✔✔-28th |day
FDEP |chapter |62-600 |FC, |domestic |wastewater |facilities, |states |that |all |treatment |plants |shall |
be____________ |- |VERIFIED |ANSWER✔✔-Fenced
As |the |operator |of |a |primary |clarifier, |you |notice |a |black |and |odorous |septic |wastewater |leaving |the |
clarifier. |What |is |the |probable |cause? |- |VERIFIED |ANSWER✔✔-Improper |sludge |removal
A |fire |has |started |in |the |maintenance |shop |due |to |an |ignition |of |petroleum |oil. |Which |type |of |fire |
extinguisher |should |NOT |be |used |to |fight |the |fire? |- |VERIFIED |ANSWER✔✔-Pressurized |water
Chlorine |gas |is |how |many |times |heavier |than |air |- |VERIFIED |ANSWER✔✔-2.5
The |combination |of |methane |and |____________ |can |be |very |combustible |- |VERIFIED |ANSWER✔✔-
Oxygen
Plant |effluent |coliform |count |fails |to |meet |the |required |standards |for |disinfection. |Chlorine |residual |is
|normal. |Disinfectant |supplies |ARE |NOT |a |problem. |What |is |the |probable |cause? |- |VERIFIED |
ANSWER✔✔-Contact |time |too |short
A |fixed |sample |is: |- |VERIFIED |ANSWER✔✔-A |sample |purposely |spiked |by |the |lab |technician |for
|QA/QC
According |to |FDEP |chapter |62-602 |FAC, |an |operator |could |have |his |license |permanently |revoked |for: |-
|VERIFIED |ANSWER✔✔-Falsified |or |misrepresented |reports, |logs, |or |lab |sheets
What |process |do |the |bacteria |perform |in |the |stabilization(re-aeration) |tank |in |the |contact |stabilization
|process? |- |VERIFIED |ANSWER✔✔-Absorption |and |digestion |of |the |waste |material |they |collected
, A |screenings |dumpster |at |the |head |works |of |the |treatment |plant |is |full |at |the |end |of |the |day. |The |
dumpster |is |6ft |tall, |10ft |long, |and |8ft |wide. |How |many |cubic |yards |of |screenings |must |be |disposed |of
|in |a |30 |day |month? |- |VERIFIED |ANSWER✔✔-533 |(6 |x |10 |x |8 |= |480) |(480 |/27 |= |17.7) |(17.7 |x |30 |= |
533)
When |properly |adjusted, |the |rope |packing |on |a |centrifugal |pump |is |designed |to |leak |how |much? |- |
VERIFIED |ANSWER✔✔-One |drip |per |second
A |confined |space |is |defined |as |having |a |space |large |enough |to |bodily |enter |and |perform |work, |has |
limited |entry |and |egress |and |is |___________? |- |VERIFIED |ANSWER✔✔-Not |designed |for |continuous |
occupancy
You |noticed |that |your |bearings |are |excessively |hot |on |a |pump, |why? |- |VERIFIED |ANSWER✔✔-Over |
lubrication
Where |can |you |gain |access |for |collection |system |maintenance? |- |VERIFIED |ANSWER✔✔-Man |hole
Low |DO |and |nutrient |deficiency |will |promote |the |growth |of |_________? |- |VERIFIED |ANSWER✔✔-
Filamentous |bacteria
When |charging |a |lead-acid |type |battery |for |a |composite |sampler, |what |dangerous |gas |could |be |
produced? |- |VERIFIED |ANSWER✔✔-Hydrogen
What |is |the |best |method |in |dealing |with |a |chemical |spill? |- |VERIFIED |ANSWER✔✔-Contain |and |clean |
up
There |is |septic |wastewater |entering |your |primary |clarifier. |What |is |the |problem? |- |VERIFIED |
ANSWER✔✔-Anaerobic |conditions |in |the |collection |systems
Which |of |the |following |substances |is |highly |viscous |and |very |slippery? |- |VERIFIED |ANSWER✔✔-
Polymer
Exam questions with correct answers
According |to |FDEP |chapter |62-600.440 |(4) |(b) |FAC, |basic |level |disinfection |is |described |as: |- |VERIFIED |
ANSWER✔✔-A |chlorine |residual |of |0.5 |mg/L |for |15 |minutes |at |peak |hourly |flow
FDEP |chapter |62-604.550 |(a) |FAC, |requires |a |wastewater |spill |shall |be |verbally |reported |to |the |state |
warning |point |no |later |than: |- |VERIFIED |ANSWER✔✔-24hrs |from |discovery
What |is |the |'rule |of |thumb' |regarding |pump |packing? |- |VERIFIED |ANSWER✔✔-Never |put |rings |of |new
|packing |over |the |old |packing
According |to |FDEP |chapter |62-60, |FAC, |a |composite |sample |shall |be |used |for |which |test? |- |VERIFIED |
ANSWER✔✔-Effluent |CBOD
Chlorine |residual |can |be |measured |in |several |ways, |including |the |use |of |DPD |reagent, |
spectrophotometers |and |iodometric |titration. |Which |of |the |following |is |also |an |approved |method? |- |
VERIFIED |ANSWER✔✔-Amperometric |Titration
Chapter |62-601, |Domestic |wastewater |treatment |plant |monitoring, |states |that |on-site |tests |for |total |
residual |chlorine, |pH, |and |_______ |can |be |performed |under |the |direction |of |a |certified |operator: |- |
VERIFIED |ANSWER✔✔-Dissolved |Oxygen(DO)
Starting |this |type |of |pump |against |a |closed |valve |can |cause |major |damage |to |the |pump, |pump |piping,
|the |operator, |or |all |three |- |VERIFIED |ANSWER✔✔-Positive |displacement |pump
These |types |of |samples |may |be |used |for |CBOD5 |and |nutrients |at |flows |less |than |100,000 |GPD, |
according |to |chapter |62-601 |- |VERIFIED |ANSWER✔✔-Grab |samples
According |to |FDEP |chapter |62-602, |drinking |water |and |wastewater |treatment |plant |operators, |duties |
of |operators |includes |reporting |to |the |permittee |and |the |department, |as |soon |as |possible, |but |within |
24hrs: |- |VERIFIED |ANSWER✔✔-Any |major |interruption |of |service
,What |could |cause |a |centrifugal |above |ground |pump |to |be |noisy |while |running |- |VERIFIED |
ANSWER✔✔-Debris |caught |in |the |impeller |housing
According |to |FDEP |chapter |62-601 |FAC, |Domestic |wastewater |treatment |plant |monitoring, |discharge |
monitoring |reports |(DMRs) |for |the |previous |month |must |be |submitted |to |the |department |by |the |
____________ |day |of |the |current |month? |- |VERIFIED |ANSWER✔✔-28th |day
FDEP |chapter |62-600 |FC, |domestic |wastewater |facilities, |states |that |all |treatment |plants |shall |
be____________ |- |VERIFIED |ANSWER✔✔-Fenced
As |the |operator |of |a |primary |clarifier, |you |notice |a |black |and |odorous |septic |wastewater |leaving |the |
clarifier. |What |is |the |probable |cause? |- |VERIFIED |ANSWER✔✔-Improper |sludge |removal
A |fire |has |started |in |the |maintenance |shop |due |to |an |ignition |of |petroleum |oil. |Which |type |of |fire |
extinguisher |should |NOT |be |used |to |fight |the |fire? |- |VERIFIED |ANSWER✔✔-Pressurized |water
Chlorine |gas |is |how |many |times |heavier |than |air |- |VERIFIED |ANSWER✔✔-2.5
The |combination |of |methane |and |____________ |can |be |very |combustible |- |VERIFIED |ANSWER✔✔-
Oxygen
Plant |effluent |coliform |count |fails |to |meet |the |required |standards |for |disinfection. |Chlorine |residual |is
|normal. |Disinfectant |supplies |ARE |NOT |a |problem. |What |is |the |probable |cause? |- |VERIFIED |
ANSWER✔✔-Contact |time |too |short
A |fixed |sample |is: |- |VERIFIED |ANSWER✔✔-A |sample |purposely |spiked |by |the |lab |technician |for
|QA/QC
According |to |FDEP |chapter |62-602 |FAC, |an |operator |could |have |his |license |permanently |revoked |for: |-
|VERIFIED |ANSWER✔✔-Falsified |or |misrepresented |reports, |logs, |or |lab |sheets
What |process |do |the |bacteria |perform |in |the |stabilization(re-aeration) |tank |in |the |contact |stabilization
|process? |- |VERIFIED |ANSWER✔✔-Absorption |and |digestion |of |the |waste |material |they |collected
, A |screenings |dumpster |at |the |head |works |of |the |treatment |plant |is |full |at |the |end |of |the |day. |The |
dumpster |is |6ft |tall, |10ft |long, |and |8ft |wide. |How |many |cubic |yards |of |screenings |must |be |disposed |of
|in |a |30 |day |month? |- |VERIFIED |ANSWER✔✔-533 |(6 |x |10 |x |8 |= |480) |(480 |/27 |= |17.7) |(17.7 |x |30 |= |
533)
When |properly |adjusted, |the |rope |packing |on |a |centrifugal |pump |is |designed |to |leak |how |much? |- |
VERIFIED |ANSWER✔✔-One |drip |per |second
A |confined |space |is |defined |as |having |a |space |large |enough |to |bodily |enter |and |perform |work, |has |
limited |entry |and |egress |and |is |___________? |- |VERIFIED |ANSWER✔✔-Not |designed |for |continuous |
occupancy
You |noticed |that |your |bearings |are |excessively |hot |on |a |pump, |why? |- |VERIFIED |ANSWER✔✔-Over |
lubrication
Where |can |you |gain |access |for |collection |system |maintenance? |- |VERIFIED |ANSWER✔✔-Man |hole
Low |DO |and |nutrient |deficiency |will |promote |the |growth |of |_________? |- |VERIFIED |ANSWER✔✔-
Filamentous |bacteria
When |charging |a |lead-acid |type |battery |for |a |composite |sampler, |what |dangerous |gas |could |be |
produced? |- |VERIFIED |ANSWER✔✔-Hydrogen
What |is |the |best |method |in |dealing |with |a |chemical |spill? |- |VERIFIED |ANSWER✔✔-Contain |and |clean |
up
There |is |septic |wastewater |entering |your |primary |clarifier. |What |is |the |problem? |- |VERIFIED |
ANSWER✔✔-Anaerobic |conditions |in |the |collection |systems
Which |of |the |following |substances |is |highly |viscous |and |very |slippery? |- |VERIFIED |ANSWER✔✔-
Polymer
