NEHA RS/REHS LATEST EXAM WITH QUESTIONS AND ANSWERS 2023-2024
NEHA RS/REHS LATEST EXAM WITH QUESTIONS AND ANSWERS 2023-2024
NEHA RS/REHS LATEST EXAM WITH QUESTIONS AND ANSWERS 2023-2024
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NEHA RS / REHS REAL EXAM 2024 (FULL REVISED
EXAM) APPROVED ACTUAL QUESTIONS AND WELL
ELABORATED ANSWERS (100% CORRECT VERIFIED
ANSWERS) LATEST UPDATES 2024 |GUARANTEED PASS
(BRAND NEW!!) SERIES GUIDE
The doing of an authorized act in an unauthorized manner - ANSWER: Misfeasance
The pitch of a sound is determined primarily by (blank) - ANSWER: Frequency
Which component of clean, dry air has the smallest volume? - ANSWER: Sulfur
dioxide
Ozone reduces the useful life of all of the following except (blank)
a. rubber
b. textiles
c. dyes
d. nylon - ANSWER: Nylon
Metal smelters, coal and oil burning power plants, refineries - ANSWER: Major
sources of sulfur dioxide pollution
Photochemical smog has been reported in congested areas with (blank) - ANSWER:
High motor vehicle traffic
Emissions of gases or vapors from pressurized equipment due to leaks and other
unintended or irregular releases of gases, mostly from industrial activities. (street
dust) - ANSWER: Fugitive pollutant
Total suspended solids and sulfur dioxide - ANSWER: Short-range primary pollutant
examples
CFCs increase the amount of ozone in the atmosphere- true or false? - ANSWER:
False
A pollutant that is found in the atmosphere in the same form as it exists - ANSWER:
Primary pollutant (air)
Impurities in combustible hydrocarbons (coal and oil) combine with oxygen to
produce (blank) when burned? - ANSWER: Sulfur dioxide (SO2)
The ratio of the energy passing through a wall, floor, or ceiling to the energy striking
it is called - ANSWER: Sound transmission loss
Halon-1211 is used primarily in ______. - ANSWER: Portable fire extinguishers
, Scrubbers are wet collectors generally used to remove particles that form as a
(blank, blank, or blank) - ANSWER: Fog, mist, or dust
A policy program that specifies alternatives for all ozone-depleting substances -
ANSWER: Safe Alternatives Policy Program
The frequency of a sound determines its pitch- true or false? - ANSWER: True
How are total suspended particles measured? - ANSWER: Collection and weighing
Long-term wind data of a given location are presented graphically in the form of a
(blank) - ANSWER: Wind rose
Sound absorbing materials absorb low frequency sounds much more effectively than
high frequency sounds - true or false? - ANSWER: False
Most common type of noise measurement device used for initial surveys to provide
rapid evaluation and identification of potential problem areas - ANSWER: Sound level
meter
Ringlemann chart method of evaluating particle pollution in the atmosphere is being
replaced by a determination of the (blank) - ANSWER: Percent opacity
Humans breathe in a day's time an average of (blank) - ANSWER: 35 pounds of air
(Blank) have been known to cause crippling skeletal damage to cattle through
ingested contaminated vegetation. - ANSWER: Flourides
Particle size selective inlets are used to separate particulates above and below 2 to 3
microns in size on (blank) - ANSWER: High volume samplers
Particle count of above (blank) is said to be representative of an urban area -
ANSWER: 50,000
(Blank) can be formed as a result of the sun's action on nitrogen oxides and
hydrocarbons. - ANSWER: Ozone
Unit of measurement most commonly used to measure loudness - ANSWER: Phon
Wind characteristic that is the most effective mechanism for the dispersion or
dilution of a cloud or plume of pollutants - ANSWER: Turbulence
Sounds with a frequency of 30 hertz are considered very low pitch- true or false? -
ANSWER: True
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