REHS/RS Test

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SethLNelson
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127433
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REHS/RS Test
Updated:
2012-05-15 11:11:16
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REHS RS
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Flashcards for the REHS/RS Test
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  1. What is the MOST common cause of bacterial meningitis in children under five years of age?

    a) Neisseria meningitides
    b) Group B Streptococci
    c) Streptococcus pneumoniae
    d) Haemophilus influenzae type B
    d) Haemophilus influenzae type B
  2. Common causes of failure of septic tank seepage field systems include improper sizing,nonsuitable soil, nonservicing, and

    A) insufficient nutrients.
    B) leaking kitchen and bath fixtures.
    C) use of wetting agents.
    D) excessive use of laundry detergents.
    B) leaking kitchen and bath fixtures.
    (this multiple choice question has been scrambled)
  3. Which of the following is the MOST critical step before detailed information is collected?

    A) Determine how the information will be used.
    B) determine how often updates will occur.
    C) Determine how much time will be needed for data collection.
    D) Determine how much time will be needed for data processing.
    A) Determine how the information will be used.
    (this multiple choice question has been scrambled)
  4. How is "giardiasis" USUALLY transmitted to others?

    A) Drinking unadequately chlorinated water from minicipal water distribution system
    B) Drinking unboiled water from steams and lakes
    C) Person-to-person transfere of cysts from the feces of the infected individual
    D) Drinking unfiltered water from streams and lakes
    C) Person-to-person transfer of cysts from the feces of the infected individual
    (this multiple choice question has been scrambled)
  5. Which of the following duties of state and local health agencies ensures that public health and welfare are protected?

    A) Community-intensive planning
    B) Statutory administrative action
    C) Regulatory responsabilities
    D) Plan implementation
    C) Regulatory responabilities
    (this multiple choice question has been scrambled)
  6. Which of the following is a measure of the amount of light scattered by particles suspended in a water test sample?

    A) Hydrosyntalic Turbidity Units (HTU)
    B) Formazin Turbidity Units (FTU)
    C) Nephelometric Turbidity Units (NTU)
    D) Lorcetic Turbidity Units (LTU)
    C) Nephelometric Turbidity Units (NTU)
    (this multiple choice question has been scrambled)
  7. What is an epidemic?

    A) The presence of an infectious agent on a body surface
    B) The occurence in a community or region of cases of an illness clearly in excess of expectancy
    C) The constant presence of a disease within a community or region
    D) The presence of infection in a host without clear, recognizable clinic symptoms
    B) The occurence in a community or region of cases of an illness clearly in excess of expectancy
    (this multiple choice question has been scrambled)
  8. What portal of entry should a field sanitarian protect to avoid contracting Lyme disease?

    A) Reproductive organs
    B) Skin
    C) Respiratory tract
    D) Digestive tract
    B) Skin
    (this multiple choice question has been scrambled)
  9. Swimmer's itch is a common name for which of the following diseases?

    A) Trichiniasis
    B) Schistosomiasis
    C) Leptospirosis
    D) Subdural dermatitis
    B) Schistosomiasis
    (this multiple choice question has been scrambled)
  10. Which of the following factors would LEAST contribute to the emergence of a new infections disease?

    A) Heat disinfection
    B) Human behavior
    C) Disinfectant use
    D) Antibiotic use
    A) eat disinfection
    (this multiple choice question has been scrambled)
  11. Listeriosis is COMMONLY associated with

    A) contaminated water.
    B) infected mice.
    C) contaminated food.
    D) infected birds.
    C) contaminated food.
    (this multiple choice question has been scrambled)
  12. Hemolytic Uremic Syndrome is caused by infection with

    a) Dracunculus medinensis.
    b) Staphylococcus aureus.
    c) Escherichia coli 0157:H7.
    d) Salmonella typhimurium.
    c) Escherichia coli 0157:H7.
  13. The basic principles of disease control include all of the following EXCEPT

    a) lag phase.
    b) control of disease source.
    c) mode of transmission.
    d) susceptibility.
    a) lag phase.
  14. Which one of the following pharases MOST accurately describes the term endemic?

    A) Constant presence of an illness
    B) Illnesses that exceed expected levels
    C) Sporadic occurrence of an illness
    D) All illnesses present at any one time
    A) Constant presence of an illness
    (this multiple choice question has been scrambled)
  15. The interval between exposure to an infectious agent and the appearance of the first symptom is called the

    A) susceptible period.
    B) transmission period.
    C) reactive period.
    D) incubation period.
    D) incubation period.
    (this multiple choice question has been scrambled)
  16. An employer is held liable for the torts of its employees committed within the scope of their employment. This is referred to as

    A) respondeat superior.
    B) substituted judgment.
    C) parens patriae.
    D) corporate privilege.
    C) parens patriae.
    (this multiple choice question has been scrambled)
  17. Performance of an authorized act in a unauthorized manner is called

    A) disfeasance.
    B) malfeasance.
    C) nonfeasance.
    D) misfeasance.
    D) misfeasance.
    (this multiple choice question has been scrambled)
  18. An action authorized by law to restrict or prevent the movement of goods for the protection of public health, safety, and welfare is called an order of

    A) seizure.
    B) withholding.
    C) embargo.
    D) injuction.
    C) embargo.
    (this multiple choice question has been scrambled)
  19. What is the federal agency that regulates food additives?

    A) Food and Drug Administration
    B) Consumer Product Safety Commission
    C) Department of Agriculture
    D) Centers for Disease Control and Prevention
    A) Food and Drug Administration
    (this multiple choice question has been scrambled)
  20. When a legal action is being prepared, one of the first steps a sanitarian should take is to

    A) keep accurate records.
    B) check with other agencies.
    C) obtain a warrant.
    D) obtain a court order.
    A) keep accurate records.
    (this multiple choice question has been scrambled)
  21. How is the term "contamination" defined when used in connection with a communicable disease?

    A) Transfer of a vector, regardless of time or the nature of the host
    B) Contact between two or more sources of infection
    C) Presence of pathogenic agents on a surface, article, or substance
    D) Infection of an individual or animal with pathogenic organisms
    C) Presence of pathogenic agents on a surface, article, or substance
    (this multiple choice question has been scrambled)
  22. What is the MAXIMUM accumulated time that potentially hazardous foods can safely be exposed to the temperature danger zone?

    A) 2 hours
    B) 4 hours
    C) 1 hour
    D) 3 hours
    B) 4 hours
    (this multiple choice question has been scrambled)
  23. What is the MINIMUM period of time that the FDA recommends employees wash their hands and arms up to the elbow?

    A) 30 seconds
    B) 10 seconds
    C) 40 seconds
    D) 20 seconds
    D) 20 seconds
    (this multiple choice question has been scrambled)
  24. The laboratory reports a positive coliform test that exceeds permissible limits on a bottle of pasteurized milk. What does this indicate?

    A) A contaminated water supply
    B) Improper virucidal treatment of the equipment
    C) A contaminated food supply
    D) Improper bactericidal treatment of the equipment
    D) Improper bactericidal treatment of the equipment
    (this multiple choice question has been scrambled)
  25. What is the source of scombroid poisoning?

    A) Histamines in the muscle of fish
    B) Rice contaminated with rodent feces
    C) Undercooked pork
    D) Sprouted green potatoes
    A) Histamines in the muscle of fish
    (this multiple choice question has been scrambled)
  26. What is the MOST effective proctive for preventing trichinosis in people?

    A) Cook steak until well done
    B) Avoid the consumption of ground meat products
    C) Be certain that ground meat is freshly ground at the time of purchase
    D) Be sure that fresh pork is thoroughly cooked
    D) Be sure that fresh pork is thoroughly cooked
    (this multiple choice question has been scrambled)
  27. Why are some foods classified as potentially hazardous?

    A) They support rapid growth of pathogenic microorganisms.
    B) They have a water activity below 0.85.
    C) They have a pH below 4.6.
    D) They require rapid and thorough cooking.
    A) They support rapid growth of pathogenic microorganisms.
    (this multiple choice question has been scrambled)
  28. What is the MOST important rule of food storage?

    A) Store products in order of "pull by" date
    B) Store canned goods under refrigeration
    C) Follow the "first in, first out" rule
    D) Repackage dry foods into metal containers
    C) Follow the "first in, first out" rule
    (this multiple choice question has been scrambled)
  29. What is the MOST common contributing factor to foodborne illness?

    A) Improper holding temperatures
    B) Dirty equipment
    C) Incorrect labeling of containers
    D) Insect and rodent infestation
    A) Improper holding temperatures
    (this multiple choice question has been scrambled)
  30. What is the BEST means of inhibiting the growth of microorganisms in fresh meat?

    A) Topical use of approved hypochlorite solutions
    B) Exposure to ultraviolet light for 30 minutes
    C) Chemical preservatives
    D) Adequate refrigeration and cleanliness
    D) Adequate refrigeration and cleanliness
    (this multiple choice question has been scrambled)
  31. What is the usual mode of infection from salmonella?

    A) Ingestion of contaminated water
    B) Contact with fomites
    C) Ingestion of contaminated food
    D) Contact with an active case
    C) Ingestion of contaminated food
    (this multiple choice question has been scrambled)
  32. What should NOT be done with food samples collected during a foodborne illness investication?

    A) Freeze
    B) Seal
    C) Refrigerate
    D) Label
    A) Freeze
    (this multiple choice question has been scrambled)
  33. What is the PRIMARY requirement in designing a food service facility?

    A) Durability
    B) Cleanability
    C) Appearance
    D) Convenience
    B) Cleanability
    (this multiple choice question has been scrambled)
  34. All of the following are signs of spoiled fish EXCEPT

    a) strong odor.
    b) elastic flesh.
    c) gray gills.
    d) sunken eyes.
    b) elastic flesh.
  35. Which of the following shellfish are MOST likely to cause illness?

    A) Crabs
    B) Shrimp
    C) Scallops
    D) Oysters
    D) Oysters
    (this multiple choice question has been scrambled)
  36. Which food does not require refrigeration at 41 F (5 C)?

    A) Sliced/cut cantaloupe
    B) Ultra-pasteurized creamers
    C) Tofu
    D) Open container of garlic in oil
    B) Ultra-pasteurized creamers
    (this multiple choice question has been scrambled)
  37. Insecticides/pesticides may be stored in all ways EXCEPT

    a) metal locked cabinet.
    b) lowest shelf in the storage room.
    c) above the dishwashing sinks.
    d) in the basement separate from food and othe chemicals.
    c) above the dishwashing sinks.
  38. Unpasteurized eggs should be cooked

    A) for two minutes in boiling water.
    B) to 140 F for one minute.
    C) to 150 F for scrambled eggs.
    D) to 145 F for 15 seconds.
    D) to 145 F for 15 seconds.
    (this multiple choice question has been scrambled)
  39. What type of well is considered LEAST likely to become contaminated?

    A) Dug
    B) Bored
    C) Drilled
    D) Driven
    C) Drilled
    (this multiple choice question has been scrambled)
  40. Diatomaceous earth filters

    A) can be used for a public water treatment system.
    B) should be supplemented by a chlorination system.
    C) should be integrated into a rapid sand filtration system.
    D) can be used in a public sewer treatment system.
    B) should be supplemented by a chlorination system.
    (this multiple choice question has been scrambled)
  41. Microbial pollution travels only a short distance through

    A) sandstone.
    B) smooth clay.
    C) limestone.
    D) fissured rock.
    B) smooth clay.
    (this multiple choice question has been scrambled)
  42. What type of filter is recommended for use in small communities and rural places?

    A) Cartridge
    B) Granular
    C) Slow sand
    D) Diatomaceous earth
    C) Slow sand
    (this multiple choice question has been scrambled)
  43. All of the following are used to disinfect water EXCEPT

    A) fluorine.
    B) iodine.
    C) bromine.
    D) chlorine.
    A) fluorine.
    (this multiple choice question has been scrambled)
  44. Backsiphonage may be prevented by all of the following methods EXCEPT

    a) hydrostatic loops.
    b) vacuum breakers.
    c) air gap separation.
    d) backpressure units.
    a) hydrostatic loops.
  45. Which of the following is the LEAST effective method for cadmium removal from drinking water?

    A) Lime softening
    B) Activated carbon
    C) Ion exchange
    D) Iron coagulation
    B) Activated carbon
    (this multiple choice question has been scrambled)
  46. Before a drinking water sample is taken, the sampling tap should be clean, free of leaks, and flushed for how long?

    A) 1 to 1-1/2 minutes
    B) 4 to 5 minutes
    C) 2 to 3 minutes
    D) 6 to 7 minutes
    C) 2 to 3 minutes
    (this multiple choice question has been scrambled)
  47. What contaminant has been associated with learning and cognitive disorders in children who drink contaminated water?

    A) Copper
    B) Lead
    C) Manganese
    D) Parathion
    B) Lead
    (this multiple choice question has been scrambled)
  48. The wastewater from the flushing of a water closet, latrine, or privy is referred to as

    A) green water.
    B) black water.
    C) gray water.
    D) brown water.
    B) black water.
    (this multiple choice question has been scrambled)
  49. If a septic tank is pumped during a wet period, the

    A) water may flow into the tank.
    B) tank may be crushed by the wet earth.
    C) tank may float out of the ground.
    D) field may flood the tank.
    C) tank may float out of the ground.
    (this multiple choice question has been scrambled)
  50. Nutrients associated with eutrophication include all of the following EXCEPT

    A) nitrogen.
    B) potassium.
    C) phosphates.
    D) organic carbon.
    B) potassium.
    (this multiple choice question has been scrambled)
  51. Which of the following is LEAST important when reducing sewage to gases?

    A) Aerobic bacteria
    B) Earthworms
    C) Anaerobic bacteria
    D) Protozoa
    B) Earthworms
    (this multiple choice question has been scrambled)
  52. A septic tank maintenance worker has checked an empty tank for the presence of hydrogen sulfide (H2S). The test was negative, and there are no odors indicating the presence of other hazardous gases. Is the tank safe to enter without a respirator and supplied air?

    A) Yes, because hydrogen sulfide and odors were not detected
    B) Yes, because the absence of odors and H2S indicates acceptable confined space entry conditions
    C) No, because oxygen content and methane were not tested
    D) No, because a lack of H2S is a sign of a hazardous confined space atmosphere
    C) No, because oxygen content and methane were not tested
    (this multiple choice question has been scrambled)
  53. All of the following are true about ozone as a disinfectant EXCEPT which one?

    A) Long-lasting residual
    B) Source of dissolved oxygen
    C) Excellent viricide
    D) Nontoxic to aquatic organisms
    A) Long-lasting residual
    (this multiple choice question has been scrambled)
  54. Aerobic bacteria require all of the following nutrients EXCEPT
    A) carbon.
    B) nitrogen.
    C) phosphorus.
    D) magnesium.
    D) magnesium.
    (this multiple choice question has been scrambled)
  55. What does a mottled brown and red soil indicate?

    A) Unsuitability for absorbtion due to chemical composition
    B) Suitability for absorbtion due to granular structure
    C) Adequate agglomeration
    D) Inadequate aeration methods
    D) Inadequate aeration methods
    (this multiple choice question has been scrambled)
  56. Alternative small wastewater treatment systems are considered UNLESS

    A) highly porous formations exist.
    B) impervious formations are found at a depth of 10 feet.
    C) space is limited and surface water supplies are inadequate.
    D) high groundwater exists.
    B) impervious formations are found at a depth of 10 feet.
    (this multiple choice question has been scrambled)
  57. Lime coagulation, mixed media filtration, and activated carbon filtration will greatly reduce

    A) Biological contaminants
    B) EPA priority pollutants
    C) EPA listed hazardous wastes
    D) Heavy metals
    B) EPA priority pollutants
    (this multiple choice question has been scrambled)
  58. According to the Resource Conservation and Recovery Act (RCRA), how must hazardous household waste be disposed?

    A) Household waste is exempt form RCRA requirements.
    B) It may be disposed in a storm drain or sanitary sewer.
    C) It must be incinerated.
    D) It must be disposed as a hazardous waste by a professional hazardous waste company.
    A) Household waste is exempt form RCRA requirements.
    (this multiple choice question has been scrambled)
  59. The grinding of garbage is an acceptable method of

    A)energy recovery.
    B) wet oxidation.
    C) garbage disposal.
    D) volume reduction.
    C) garbage disposal.
    (this multiple choice question has been scrambled)
  60. A solid waste manager is trying to reduce lead in the solid waste stream. What should be targeted in the municipal waste stream as a MAJOR contributor of lead to the environment?

    A) Rechargeable batteries
    B) Lead acid batteries
    C) Household batteries
    D) Fluorescent light tubes
    B) Lead acid batteries
    (this multiple choice question has been scrambled)
  61. All of the following are considered advantages of using the "shredded solid waste" landfill method EXCEPT which one?

    A) It reduces insect breeding.
    B) It does not cause odors.
    C) It will readily absorb precipitation.
    D) It may require daily earth cover.
    C) It will readily absorb precipitation.
    (this multiple choice question has been scrambled)
  62. The BEST sanitary landfill method for a location with rolling terrain is the

    A) trench method.
    B) area or ramp method.
    C) valley or ravine area method.
    D) low-area method.
    B) area or ramp method.
    (this multiple choice question has been scrambled)
  63. Why is it important for a business that generates hazardous waste to deal only with licensed disposal companies that have a good compliance history?

    A) The business is held accountable for where and how the hazardous waste generated is disposed of.
    B) It is important if the business generates 220 pounds or more per month of hazardous waste.
    C) Once the hazardous waste disposal company picks up the waste, it becomes the responsible party.
    D) Large companies with good compliance histories generally have deep pockets.
    A) The business is held accountable for where and how the hazardous waste generated is disposed of.
    (this multiple choice question has been scrambled)
  64. Which of the following is NOT a type of hazardous waste incinerator?

    A) Fluidized
    B) Rotaty kiln
    C) Fixed hearth
    D) Pressurized
    D) Pressurized
    (this multiple choice question has been scrambled)
  65. Which federal law regulates underground storage tanks for hazardous substances?

    a) Clean Water Act
    b) Federal Water Pollution Control Act
    c) Resource Conservation and Recovery Act
    d) Solid Waste Disposal Act
    c) Resource Conservation and Recovery Act
  66. A measure of the probability and severity of adverse effects under specific conditions BEST describes

    A) exposure.
    B) hazard.
    C) risk.
    D) toxicity.
    C) risk.
    (this multiple choice question has been scrambled)
  67. Which of the following sampling devices is BEST for collecting undisturbed soil samples?

    A) Split spoon
    B) Shelby tube
    C) Veihmeyer rod
    D) Auger
    A) Split spoon
    (this multiple choice question has been scrambled)
  68. What is the term for a statistical estimate of an oral dose of a chemical that produces a lethal effect on half of an animal population?

    a) LC50
    b) LD50
    c) EC50
    d) ED50
    b) LD50
  69. The dose-response relationship of a toxic substance depends on all of the following EXCEPT

    A) the toxicity of the substance.
    B) the amount and concentration of the substance.
    C) the duration of exposure to the substance.
    D) the pH of the substance.
    D) the pH of the substance.
    (this multiple choice question has been scrambled)
  70. Which respiratory device provides the MAXIMUM protection?

    A) Negative pressure respiratior with a full face piece
    B) Positive pressure respirator with a full face piece
    C) Full-face canister respirator
    D) Half-face respirator
    B) Positive pressure respirator with a full face piece
    (this multiple choice question has been scrambled)
  71. The Emergency Planning and Community Right-to-Know-Act (SARA Title III) requires the disclosureof all of the following EXCEPT type and quantities of

    A) listed chemicals routinely discharged into the atmosphere.
    B) all chemicals produced on site.
    C) hazardous chemicals accidentally discharged into the atmosphere.
    D) hazardous chemicals accidentally discharged into the waterways.
    B) all chemicals produced on site.
    (this multiple choice question has been scrambled)
  72. For first responders at an incident, which one of the following is listed correctly according to order of importance?

    A) Responder safety, environmental safety, public safety, property protection
    B) Property protection, public safety, responder safety, environmental safety
    C) Responder safety, public safety, environmental safety, property protection
    D) Public safety, property protection, responder safety, environmental safety
    C) Responder safety, public safety, environmental safety, property protection
    (this multiple choice question has been scrambled)
  73. Rocky Mountian spotted fever is transmitted by

    A) deerflies.
    B) chiggers.
    C) dog ticks.
    D) deermites.
    C) dog ticks.
    (this multiple choice question has been scrambled)
  74. What are the peak seasons for rats to breed in temperate zones?

    A) Summer and winter
    B) Winter and spring
    C) Spring and fall
    D) Fall and summer
    C) Spring and fall
    (this multiple choice question has been scrambled)
  75. Which one of the following pesticides can be legally used in the United States by the public?

    A) Silvex
    B) 2, 4, 5, -T
    C) Mercury
    D) Diazinon
    D) Diazinon
    (this multiple choice question has been scrambled)
  76. Poison ivy, poison oak, and poison sumac contain oleoresin that is found in all parts of the plant EXCEPT the

    A) bark.
    B) leaves.
    C) flowers.
    D) wood.
    D) wood.
    (this multiple choice question has been scrambled)
  77. Psittacosis is MOST commonly spread by

    A) bats.
    B) shellfish.
    C) pigeons.
    D) rodents.
    C) pigeons.
    (this multiple choice question has been scrambled)
  78. Hay fever is correctly referred to as

    A) sinusitis.
    B) leguminosis.
    C) pollenosis.
    D) asthma.
    C) pollenosis.
    (this multiple choice question has been scrambled)
  79. Which of the following is MOST effective for controlling ragweed?

    A) Petroleum oil
    B) 2, 4-D
    C) Fenthion
    D) Dieldrin
    B) 2, 4-D
    (this multiple choice question has been scrambled)
  80. The term rad means

    A) radiation absorbed dose.
    B) radiation admitted dose.
    C) roentgen absorbed dose.
    D) required administrative dose.
    A) radiation absorbed dose.
    (this multiple choice question has been scrambled)
  81. Which of the following have little penetrating power and are normally a hazard to health only in the form of internal radiation received through ingestion, inhalation, or open wounds?

    A) Alpha particles
    B) Gamma rays
    C) X-rays
    D) Beta particles
    A) Alpha particles
    (this multiple choice question has been scrambled)
  82. Beta radiation is MOST commonly blocked by which one of the following materials?

    A) Lead
    B) Concrete
    C) Magnesium alloy
    D) Glass or plastic
    D) Glass or plastic
    (this multiple choice question has been scrambled)
  83. Microwaves are reflected by

    A) plastic.
    B) polymers.
    C) glass.
    D) metals.
    D) metals.
    (this multiple choice question has been scrambled)
  84. The energy of ionizing radiation is measured in

    A) one electrostatic unit.
    B) ergs of energy per gram.
    C) electron volts (eV).
    D) one-person sievert (Sv).
    C) electron volts (eV).
    (this multiple choice question has been scrambled)
  85. What is the danger and/or hazard posed by an etiological agent?

    A) Human disease
    B) Corrosive reaction
    C) Allergic reaction
    D) Asphyxiation
    A) Human disease
    (this multiple choice question has been scrambled)
  86. No person should be permitted to work in a trench or pit in sandy clay soil that has unsupported sides or banks higher than

    A) 3 feet.
    B) 4 feet.
    C) 5 feet.
    D) 2 feet.
    C) 5 feet.
    (this multiple choice question has been scrambled)
  87. Given: An employer moves employees who have reached the upper permissible level of exposure to a hazardous environment, in order to prevent further exposure.

    What type of hazard control is this?

    A) Administrative control
    B) Personal control
    C) Professional control
    D) engineering control
    A) Administrative control
    (this multiple choice question has been scrambled)
  88. A negative pressure fit test for a protective mask

    A) is done by placing both hands over the exhalation points.
    B) is done by placing both palms against the intake filters.
    C) shoud be conducted at a minimum of once a week.
    D) should be repeated until an air leak is detected.
    B) is done by placing both palms against the intake filters.
    (this multiple choice question has been scrambled)
  89. Quantitative risk assessment USUALLY measures human exposure through all of the following EXCEPT

    A) blood or urine analyses.
    B) personal surveys.
    C) computer models.
    D) toxicological analyses.
    C) computer models.
    (this multiple choice question has been scrambled)
  90. The MOST likely cause of photochemical smog is due to

    A) heavy motor vehicle traffic.
    B) hazardouse waste incinerators.
    C) chemical processing plants.
    D) large industries.
    A) heavy motor vehicle traffic.
    (this multiple choice question has been scrambled)
  91. The industries LEAST likely to be a source of sulfur diozide pollution are

    A) refineries.
    B) metal smelters.
    C) coal and oil burning power plants.
    D) hazardous waste incinerators.
    D) hazardous waste incinerators.
    (this multiple choice question has been scrambled)
  92. Scrubbers are wet collectors generally used to remove particles that form as a

    A) fume, dust, or mist.
    B) fog, mist, or dust.
    C) dust, aerosol, or fog.
    D) mist, solid, or vapor.
    B) fog, mist, or dust.
    (this multiple choice question has been scrambled)
  93. Particle size selective inlets are used to separate particulates above and below 2 to 3 microns in size on

    A) atmospheric respirator sieves.
    B) outfall vacuums.
    C) high volume samplers.
    D) baghouse air filters.
    C) high volume samplers.
    (this multiple choice question has been scrambled)
  94. The MOST common type of noise measurement device used for initial inspections is the

    A) sound level meter.
    B) noise dosimeter.
    C) sound analyzer.
    D) octave-band analyzer.
    A) sound level meter.
    (this multiple choice question has been scrambled)
  95. Oxygenated fuels are intended to reduce emissions levels of

    A) Hydrocarbons
    B) Ozone
    C) Carbon monoxide
    D) Nitrogen oxides
    C) Carbon monoxide
    (this multiple choice question has been scrambled)
  96. Cross-connection controls include air gaps, backflow preventers, vacuum breakers, and

    A) bypass valves.
    B) indirect waste piping.
    C) air vents.
    D) gate valves.
    B) indirect waste piping.
    (this multiple choice question has been scrambled)
  97. The drain line of an ince machine should connect to the sewer system through

    A) an indirect connection below the floor.
    B) a hydrolic valve.
    C) an open recepticle with an air gap.
    D) a hydrostatic valve.
    C) an open recepticle with an air gap.
    (this multiple choice question has been scrambled)
  98. Vent gasses from a coal burning furnace combined with a high moisture inside a chimney will form

    A) sodium chloride.
    B) hydrochloric acid.
    C) sulfuric acid.
    D) a glass-like glaze.
    C) sulfuric acid.
    (this multiple choice question has been scrambled)
  99. What is the PRIMARY cause of death resulting from automobile exhaust accumulation in garages?

    A) Ethylene dioxide
    B) Carbon monoxide
    C) Tetraethyl lead
    D) Methane
    B) Carbon monoxide
    (this multiple choice question has been scrambled)
  100. The end of a waste pipe should terminate above the rim of a sink directly connected to the drainage system by at LEAST

    A) 6 inches.
    B) 4 inches.
    C) 2 inches.
    D) 5 inches.
    C) 2 inches.
    (this multiple choice question has been scrambled)

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