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CONSTRUCTION HEALTH AND SAFETY TECHNICIAN CHST EXAM STUDY GUIDE WITH COMPLETE QUESTIONS AND 100 % VERIFIED ANSWERS 2025 LATEST UPDATE$23.99
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CONSTRUCTION HEALTH AND SAFETY
TECHNICIAN CHST EXAM STUDY GUIDE
WITH COMPLETE QUESTIONS AND 100 %
VERIFIED ANSWERS 2025 LATEST UPDATE
What type of respirator is not good for workers with asthma?
Correct Answer Negative pressure. Workers medical conditions
are factors in choosing respirators.
What are the three main factors to consider when choosing
respirators? Correct Answer 1. The physical configuration of the
jobsite. 2. The workers medical conditions. 3. Worker comfort.
What does MFF stand for? Correct Answer Metal Fume Fever.
What are the symptoms of MFF? Correct Answer Resemble
classical flu symptoms.
Welders who work with hat tend to have higher incidence of MFF?
Correct Answer Zinc Oxides
What can prevent MFF? Correct Answer Welders to wear
respirators and local or exhaust ventilation can effect nearby
workers.
What are the safe operating procedures pertaining to utlility and
service lines when a building is being prepared for demolitions.
Correct Answer 1. Conduct survey inspection. 2. Document
specific hazards. 3. Evaluate utility functions servicing the
building.
,What utlilties must be cute before demolition begins? Correct
Answer Electric, water, gas, sewer and any other service.
What should the survey report include for demolition? Correct
Answer Whether there are dangers posed to workers or the
environment like chemicals, gases, explosives, flammables or
other hazardous materials in storage tanks.
When can materials be dropped through floor openings? Correct
Answer When the drop area is completely enclosed and
barricaded. Barricades must be at least 42 inches high and no
closer to the drop area than 6 feet.
From which height must a chute be used when removing waste
form upper levels of buildings? Correct Answer 20 feet. The
chute can be made of wood, alloyed metal and must be securely
anchored.
Should glass windows be removed before demolition? Correct
Answer YEs, when there are concerns for workers being cut by
broken glass.
What does exit discharge mean? Correct Answer It refers to an
exit which lead directly to an outdoor area or street.
Define exit routes? Correct Answer Exit routes are different from
exit discharges in that they do not necessarily pas out into a
street, yard, or open area. An exit route often leads to a refuge
area.
What are refuge areas? Correct Answer Places along an exit
routes which have fire resistant protections which will retard the
advance of flames and smoke.
, What does occupant lead refer to? Correct Answer THe
maximum number of persons who may be accommodated by the
emergency exit routes and plans.
What are the four types of standpipe systems? Correct Answer 1.
A small hose system. 2. Class I 3. Class II. 4. Class III.
What is a small hose system? Correct Answer One in the
diameter range of from 5/8 to 1 1/2 . This may be helpful in
controlling incipient stage fires.
What is a Class I standpipe? Correct Answer Refers to 2 1/2"
hose connection for use by fire departments and those trained in
handling heavy fire hoses.
What is a Class II standpipe? Correct Answer Refers to a 1 1/2
inch hose system which is capable of controlling incipient stage
fires.
What is a Class III standpipe? Correct Answer Refers to a
combined system of hose which is for use of employees trained in
the use of hose operations and which is capable of furnishing
effective water discharge during the more advanced stages of fire.
What is dilution ventilation? Correct Answer The must less costly
type of method for raising air quality to permissible levels. It
consists of addition additional clean air to the contaminated air
inside of a building and is usually done by means of intake fans
for natural venting through doors and windows. This can be
ineffective an requires constant mointoring. It can be effective if
air contaiminants are not far able the PEL.
What is local exhaust ventilation? Correct Answer More costly
than natural or forces air-intake methods. Requires the installation
of machinery to collect and filter contaminants from the air before
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