NEHA RS-REHS 8.16 exam with accurate detailed solutions

NEHA RS/REHS 8.16 exam with accurate detailed solutions || || || || || || ||




Which of the following is not a primary consideration when locating a groundwater supply?
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Select one: ||




a.
the probable travel of pollution through the ground
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b.
the well construction practices and standards
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c.
the sanitary seal provided at the point where the pump lines pass out of the casing
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d.
the distance that the water will need to travel
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the distance that the water will need to travel
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The pipeline milker || ||




Select one: ||




a.
was first introduced in 1854 and is still used today
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b.
is vastly inferior to Branigien's Quadra-Path Sterilizer
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c.
was a welcome improvement to Branigien's so called "sterilizer"
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d.
requires special attention to ensure its sanitary condition
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requires special attention to ensure its sanitary condition
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In distillation, seawater is heated to the boiling point and then into steam, usually under pressure,
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at a starting temperature of
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Select one: ||




a.
250 degrees F || ||




b.
260 degrees F || ||




c.
278 degrees F || ||




d.
285 degrees F || ||




250 degrees F || ||

,Scrubbers are wet collectors generally used to remove particles that form as a
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Select one: ||




a.
nonsoluable vapor ||




b.
mist, solid, or vapor || || ||




c.
fog, mist, or dust
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d.
fume, dust, or mist || || ||




fog, mist, or dust
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Often over 90% of sodium arsenate can be removed by
|| || || || || || || || ||




Select one: ||




a.
filtration
b.
coagulation
c.
ion exchange||




d.
all of the above
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coagulation
Sanitarians, environmental health scientists, and other environmental specialists must obtain
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which of the following minimum educational requirements?
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Select one: ||




a.
an associate degree in environmental health
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b.
a associate degree in science
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c.
a baccalaureate degree
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d.
a master's degree
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a baccalaureate degree
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The voluntary federal-state program designed to ensue a safe and clean milk supply is commonly
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referred to as the || || ||




Select one: ||

, a.
IMS
b.
FDAVP
c.
PHSVFSP
d.
VFS
IMS
Oyster-shell stock or shucked oysters sampled at the source should not have MPNB of ______ or
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more fecal coliform per 100 grams of shellfish.
|| || || || || || ||




Select one: ||




a.
230
b.
235
c.
240
d.
245
230
Oysters grow best at what pH and temperature?
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Select one: ||




a.
6.2 to 6.4 and 37 degrees F
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b.
6.2 to 6.8 and 41 degrees F
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c.
6.4 to 7.0 and 45 degrees F
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d.
6.0 to 6.8 and 32 degrees F
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6.2 to 6.8 and 41 degrees F
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Human disease from aerosols of wastewater
|| || || || ||




Select one: ||




a.
is related primarily to wastewater treatment by the activated sludge, trickling filter, and spray
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irrigation processes ||