REHS Exam (Latest 2023\/ 2024 Update) Questions and Verified Answers| 100% Correct |Grade A<\/p>\n\n\n\n
REHS Exam (Latest 2023\/ 2024 Update)
Questions and Verified Answers| 100%
Correct |Grade A
Q: Which of the following is non-toxic to aquatic organisms, a good viricide, and adds oxygen
to treated
wastewater effluents?
a. ozone
b. calcium hypochlorine
c. sulfur dioxide
d. chlorine dioxide
Answer:
ozone
Q: The typical limitation of use of the septic tank absorption field system is due to
a. cost
b. land use considerations
c. soil type and size requirements
d. appearance
Answer:
soil type and size requirements
Q: Which of the following is true about disposal of animal wastes?
a. If wet manure is plowed under, fly eggs present will not hatch.
b. Composting of manure takes advantage of the inclination that larvae move out and away from
moist
manure in search of a dry place to pupate.
c. Where a small number of animals are kept, the manure should be collected once a week.
d. Odors associated with the handling and disposal of these wastes do not determine the disposal
method
or its location.<\/p>\n\n\n\n
Answer:
composting of manure takes advantage of the inclination that larvae move out and away from
moist manure in search of a dry place to pupate
Q: Resource recovery and reduction of solid wastes should start
a. at the point of generation
b. at the sanitary landfill
c. in the home
d. at the transfer station
Answer:
at the point of generation
Q: ______can be recovered from refuse by burning it in a refractory lined incineration or
water-wall incinerator.
a. glass
b. aluminum
c. ferrous metal
d. energy
Answer:
energy
Q: Incinerators are rated in terms of
a. percent fuel capacity per day
b. BTU’s per day
c. tons of burnable waste per day
d. cubic feet of solid waste per day.
Answer:
tons of burnable waste per day
Q: The three essentials for combustion in an incinerator are
a. temperature, time and heat<\/p>\n\n\n\n
b. time, temperature and moisture
c. temperature, heat and fuel
d. time, temperature and turbulence
Answer:
time, temperature and turbulence
Q: The second step of the combustion process in an incinerator requires a high temperature of
at least
a. 1500o to 1600oF
b. 1500o to 1800o F
c. 1900o to 2000o F
d. 1800o to 1900o F
Answer:
1500 to 1800 F
Q: A landfill site should not
a. be located near a major highway
b. be given and attractive entrance and approach road
c. house equipment on site
d. be inexcessible during bad weather conditions
Answer:
be inexcessible during bad weather conditions
Q: Determining what a landfill can be used for when completed should be planned
a. when the landfill is half full
b. before you build the landfill
c. when the landfill is full
d. any time during the operation of the landfill
Answer:
before you build the landfill<\/p>\n\n\n\n
Q: Hazardous waste is governed by the
a. Clean Air Act
b. Occupational Safety and Health Act
c. Resource and Conservation and Recovery Act
d. Food and Drug Act
Answer:
Resource and Conservation and Recovery Act
Q: Which of the following is not a characteristic of hazardous waste?
a. ignitability
b. corrosivity
c. reactivity
d. combustibility
Answer:
combustibility
Q: The EPA requires that dioxin-bearing wastes be __<\/em><\/strong> destroyed or reduced before
disposal in a secure
hazardous waste landfill.
a. 99.99 percent
b. 95.00 percent
c. 99.9999 percent
d. 0.05 percent
Answer:
99.9999 percent
Q: When two pollutants are combined, the effects are greater than the sum of the individual
effects. This is
called?
a. commensalism
b. synergism
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