CHST Test Questions and Answers All Correct Exam
What is dilution ventilation? - 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 in...
CHST Test Questions and Answers
All Correct 2024-2025 Exam
What is dilution ventilation? - 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? - Answer-More costly than natural or forces air-intake
methods. Requires the installation of machinery to collect and filter contaminants from
the air before it can move from the source of the contamination. When natural or forced
air dilution methods are ineffective, such as in the removal of flammable vapors or dust,
exhaust ventialtion must be used to collect hazardous material.
What are the three main types of installation for employee emergency fire alarm or
sprinkling systems? - Answer-1. Conventional Sprinkler Systems
2. Audible Alarms
3. A Pre-Discharge Alarm
What is a pre-discharge alarm? - Answer-An alarm which sounds some seconds prior to
the discharge of an extinguishing sprinkler system. The pre-discharge alarm gives
employees time to evacuate the building prior to the water or chemical extinguishing
discharge.
What is the OSHA's VPP stand for? - Answer-Voluntary Participation Program
What are four concepts of the worksite analysis for OSHA's VPP? - Answer-1. Hazards
identified and isolated early.
2. Safety teams to join together to analyze news processes, materials, or equipment.
3. Employer encourages reporting of observations and concerns to management and
recommend solutions.
4. Data collection to identify areas requiring remediation.
How do you fiqure out the weight of a substance measure in gallons? - Answer-Know
the weigh of one gallon of water (8.34) and multiply the total gallon s.g by 1.8. For
example, if it is 3000 gallons, mulitiply that by 8.34 equaling 25,020 then mutliply that by
1.8 = 45,036.
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