ENV Water Treatment Systems
Water Treatment Systems Quiz
Test your knowledge on water treatment systems with this comprehensive quiz! Whether you're a student, educator, or professional in the field, this quiz covers various aspects of water treatment, including quality, contaminants, and safety standards.
Key Features:
- 78 Questions covering essential topics in water treatment
- Multiple choice format to enhance learning
- Assess your understanding of potable water and its significance
What is the purpose of water treatment?
To provide potable water that is palatable
To provide potable water that is healthy for human consumption
To ensure safe, finished water
To provide water that is aesthetically acceptable to drink
It is water that is healthy for consumption.
Palatable Water
Potable Water
Primary Drinking Water
Secondary Drinking Water
Water that is free from turbidity, color, odor, and taste
Palatable Water
Potable Water
Primary Drinking Water
Secondary Drinking Water
Microbiological organisms, disinfection by-products, organic and inorganic chemicals, radionuclides and turbidity
Palatable Water
Potable Water
Primary Drinking Water
Secondary Drinking Water
Established to ensure safe, finished water
Palatable Water
Potable Water
Primary Drinking Water
Secondary Drinking Water
Free of harmful microorganisms and organic and inorganic compounds
Palatable Water
Potable Water
Primary Drinking Water
Secondary Drinking Water
Not related to health, but can cause problems related to aesthetic, cosmetic or technical effects
Palatable Water
Potable Water
Primary Drinking Water
Secondary Drinking Water
Water that is aesthetically acceptable to drink
Palatable Water
Potable Water
Primary Drinking Water
Secondary Drinking Water
used as an indicator of increased concentrations of microbial water constituents
Particles
Taste and Odor
Turbidity
Temperature
May adsorb toxic metals or synthetic organic chemicals
Particles
Taste and Odor
Turbidity
Temperature
Can originate from dissolved natural organic or inorganic constituents and biological sources
Particles
Taste and Odor
Turbidity
Temperature
Solids larger than molecules but generally not distinguishable by the unaided eye
Particles
Taste and Odor
Turbidity
Temperature
Reported in terms of Nephelometric Turbidity Units (NTU)
Particles
Taste and Odor
Turbidity
Temperature
Caused by the scattering and absorbance of light by suspended particles in the water
Particles
Taste and Odor
Turbidity
Temperature
Affects many physical and chemical parameters ~ density, viscosity, vapor pressure, surface tension, solubility and reaction rates
Particles
Taste and Odor
Turbidity
Temperature
Measure of the optical clarity of water
Particles
Taste and Odor
Turbidity
Temperature
Particles that are larger than 1µm
Suspended Particles
Colloidal Particles
Dissolved Particles
Particulate Matter
Particles that are between 0.001 and 1µm
Suspended Particles
Colloidal Particles
Dissolved Particles
Particulate Matter
Particles that are smaller than 0.001 µm
Suspended Particles
Colloidal Particles
Dissolved Particles
Particulate Matter
All are inorganic constituents except:
Calcium and Magnesium
Chloride
Fluoride
Iron
Manganese
Synthetic Organic Chemicals (SOCs)
Above 60 mg/L can cause hardness
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
Toxic at concentrations 250-450 mg/L
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
Above 250 mg/L can impart salty taste; below 50 mg/L can be corrosive
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
May cause infant methemoglobinemia
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
Can impart a dark brown color; can impart an unpleasant taste and can stain laundry and fixtures at concentrations around 0.4 mg/L
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
Taste threshold at around 0.01 mg/L ; can impart a brownish color to laundry and bathroom fixtures
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
Result of the complexation of soluble organic material derived from biochemical degradation of vegetation in the surrounding environment
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
Can impart objectional odors; corrosive to concrete and pipes
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
Come from anthropogenic activities associated with industrial activity, land use by agriculture, urban runoff and municipal effluents from WW treatment plants
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
may lead to corrosion and slime growth in distribution systems especially when oxidants are used
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
Found in fuels, cleaning solvents, chemical feedstocks, herbicides and pesticides
Calcium and Manganese
Chloride
Fluoride
Iron
Manganese
Nitrate
Sulfur
Natural Organic Matter (NOM)
Synthetic Organic Chemicals (SOCs)
Enteric fever, headaches, malaise, abdominal pain
Vibrio cholera
Salmonella
Shigella dysenteriae
Escherichia coli
Polovirus Types 1,2,3
Human Adenovirus 2
ROtavirus A
Cryptosporidium parvum
Giardia lamblia
Bacillary dysentery: abdominal pain, cramps, diarrhea, fever, vomiting
Vibrio cholera
Salmonella
Shigella dysenteriae
Escherichia coli
Polovirus Types 1,2,3
Human Adenovirus 2
ROtavirus A
Cryptosporidium parvum
Giardia lamblia
Severe infection in lungs, eyes, urinary tract, genitals, intestines
Vibrio cholera
Salmonella
Shigella dysenteriae
Escherichia coli
Polovirus Types 1,2,3
Human Adenovirus 2
Rotavirus A
Cryptosporidium parvum
Giardia lamblia
Diarrhea
Vibrio cholera
Salmonella
Shigella dysenteriae
Escherichia coli
Polovirus Types 1,2,3
Human Adenovirus 2
ROtavirus A
Cryptosporidium parvum
Giardia lamblia
Severe diarrhea and dehydration
Vibrio cholera
Salmonella
Shigella dysenteriae
Escherichia coli
Polovirus Types 1,2,3
Human Adenovirus 2
ROtavirus A
Cryptosporidium parvum
Giardia lamblia
Severe diarrhea, abdominal pain, nausea or vomiting, fever
Vibrio cholera
Salmonella
Shigella dysenteriae
Escherichia coli
Polovirus Types 1,2,3
Human Adenovirus 2
ROtavirus A
Cryptosporidium parvum
Giardia lamblia
Fever, severe headache, stiff neck and back, deep muscle pain, skin sensitivity
Vibrio cholera
Salmonella
Shigella dysenteriae
Escherichia coli
Polovirus Types 1,2,3
Human Adenovirus 2
ROtavirus A
Cryptosporidium parvum
Giardia lamblia
Sudden diarrhea, abdominal cramps, bloating, cramps, weight loss
Vibrio cholera
Salmonella
Shigella dysenteriae
Escherichia coli
Polovirus Types 1,2,3
Human Adenovirus 2
ROtavirus A
Cryptosporidium parvum
Giardia lamblia
Classic cholera: diarrhea and vomiting without fever followed by dehydration • Muscle cramps, shock, coma
Vibrio cholera
Salmonella
Shigella dysenteriae
Escherichia coli
Polovirus Types 1,2,3
Human Adenovirus 2
ROtavirus A
Cryptosporidium parvum
Giardia lamblia
Measure of the divalent metal content of water
Hardness
Alkalinity
Turbidity
Softening
Measure of the buffering capacity of water
Hardness
Alkalinity
Turbidity
Softening
Appropriate for waters with high noncarbonate hardness and total hardness less than 350 mg/L as CaCO3; removes 100% hardness
Alkalinity
Turbidity
Softening
Ion Exchange
Associated with alkalinity ions: CO3 and HCO3
Carbonate (Permanent) Hardness
Carbonate (Temporary) Hardness
Noncarbonate (Permanent) Hardness
Noncarbonate (Temporary) Hardness
Associated with nonalkalinity ions: SO4 and Cl
Carbonate (Permanent) Hardness
Carbonate (Temporary) Hardness
Noncarbonate (Permanent) Hardness
Noncarbonate (Temporary) Hardness
Accomplished by the use of a large slow-speed paddle that gently stirs the chemically-treated water
Sedimentation
Coagulation
Flocculation
Filtration
Disinfection
Softening
Process for separating suspended and colloidal impurities from water by passage through a porous medium
Sedimentation
Coagulation
Flocculation
Filtration
Disinfection
Softening
Conditioning of the suspended, colloidal and dissolved matter by chemical alteration to make them stick together to form large particles
Sedimentation
Coagulation
Flocculation
Filtration
Disinfection
Softening
Compression of the electrical double layer, charge neutralization
Sedimentation
Coagulation
Flocculation
Filtration
Disinfection
Softening
Physical process of producing differential velocities so that particles can come into contact
Sedimentation
Coagulation
Flocculation
Filtration
Disinfection
Softening
Used to remove turbidity and pathogens
Sedimentation
Coagulation
Flocculation
Filtration
Disinfection
Softening
Process in which the majority of the particles will settle by gravity within a reasonable time and be removed
Sedimentation
Coagulation
Flocculation
Filtration
Disinfection
Softening
Process in which the majority of the particles will settle by gravity within a reasonable time and be removed
Sedimentation
Coagulation
Flocculation
Filtration
Disinfection
Softening
Inactivation of microorganisms in the water
Sedimentation
Coagulation
Flocculation
Filtration
Primary Disinfection
Secondary Disinfection
What is the formula for Calcium Noncarbonate Hardness?
0%
0
0%
0
0%
0
0%
0
0%
0
What is the formula for Calcium Carbonate Hardness?
0%
0
0%
0
0%
0
0%
0
0%
0
What is the formula for Magnesium Noncarbonate Hardness?
0%
0
0%
0
0%
0
0%
0
0%
0
What is the formula of Carbon Dioxide?
0%
0
0%
0
0%
0
0%
0
0%
0
What is the formula for Magnesium Carbonate Hardness?
0%
0
0%
0
0%
0
0%
0
0%
0
Maintaining a disinfectant residual in the treated-water distribution system
Sedimentation
Coagulation
Flocculation
Filtration
Primary Disinfection
Secondary Disinfection
Membrane Processes
All of these are key properties of a coagulant except:
Prehydrolized Cation
Nontoxic
Insoluble in the neutral pH range
Trivalent cation
All of these are types of a coagulant except:
Organic Polymers
Inorganic Metallic Coagulant
Organic Metallic Coagulant
Prehydrolized Metal Salts
Natural Plant-based Materials
Used for screening the type of coagulant and the proper coagulant dosage; batch additions of various types and different dosages are added to the water sample
Coagulant Test
Bottle Test
Jar Test
Alkaline Test
Involve water pumped under pressure into a housing containing a semi-permeable membrane
Sedimentation
Coagulation
Flocculation
Filtration
Primary Disinfection
Secondary Disinfection
Membrane Processes
Which are included in the classification of filters according to type of medium?
Sand, Coal, Dual media, Slow sand filter
Slow sand filter, rapid sand filter, high-rate sand filter, mixed media
Slow sand filter, Coal, Dual Media, Rapid Sand Filter
Sand, Coal, Dual Media, Mixed Media
Slow sand filter, sand, dual media, mixed media
This stage enhances floc formation
Rapid Mixing Stage
Slow Mixing Stage
High-Rate Sand Stage
Mixed Media Stage
Addition of coagulant happens in this stage
Rapid Mixing Stage
Slow Mixing Stage
High-Rate Sand Stage
Mixed Media Stage
What is the formula of Total Sludge?
Chemical sludge x SS removed
Chemical sludge - SS removed
Chemical sludge / SS removed
Chemical sludge + SS removed
Which are included in the classification of filters according to loading rate?
Sand, Coal, Dual media, Slow sand filter
Slow sand filter, rapid sand filter, high-rate sand filter, mixed media
Slow sand filter, Coal, Dual Media, Rapid Sand Filter
Sand, Coal, Dual Media, Mixed Media
Slow sand filter, sand, dual media, mixed media
In which classification of membrane processes does small colloids and viruses belong to?
Microfiltration
Ultrafiltration
Nanofiltration
Reverse Osmosis
In which classification of membrane processes does particles, sediment, algae, protozoa, and bacteria belong to?
Microfiltration
Ultrafiltration
Nanofiltration
Reverse Osmosis
In which classification of membrane processes does ionic species (Na+, Cl-) belong to?
Microfiltration
Ultrafiltration
Nanofiltration
Reverse Osmosis
In which classification of membrane processes does dissolved organic matter and divalent ions (Ca2+, Mg2+) belong to?
Microfiltration
Ultrafiltration
Nanofiltration
Reverse Osmosis
What unit process/es are involved in Turbidity and Particles?
Coagulation, Flocculation, Sedimentation, Filtration
Softening, Membranes, Aeration
Membranes, Adsorption
Sedimentation, Filtration, Disinfection
What unit process/es are involved in Organic Constituents?
Coagulation, Flocculation, Sedimentation, Filtration
Softening, Membranes, Aeration
Membranes, Adsorption
Sedimentation, Filtration, Disinfection
What unit process/es are involved in Pathogens?
Coagulation, Flocculation, Sedimentation, Filtration
Softening, Membranes, Aeration
Membranes, Adsorption
Sedimentation, Filtration, Disinfection
What unit process/es are involved in Inorganic Constituents?
Coagulation, Flocculation, Sedimentation, Filtration
Softening, Membranes, Aeration
Membranes, Adsorption
Sedimentation, Filtration, Disinfection
All of these are variables affecting the movement of a particle through a fluid except:
Particle size
Particle Mass
Particle Shape
Particle Density
Fluid density
Fluid viscosity
{"name":"ENV Water Treatment Systems", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Test your knowledge on water treatment systems with this comprehensive quiz! Whether you're a student, educator, or professional in the field, this quiz covers various aspects of water treatment, including quality, contaminants, and safety standards.Key Features:78 Questions covering essential topics in water treatmentMultiple choice format to enhance learningAssess your understanding of potable water and its significance","img":"https:/images/course2.png"}