CHST - EXAM PREP QUESTIONS WITH REVISED ANSWERS – UPDATED!!
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CHST -
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CHST -
CHST - EXAM PREP QUESTIONS WITH REVISED ANSWERS – UPDATED!!
What is an occupant lead number? - 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? - Answer-1. Small hose system
2. Class I
3. Clas...
CHST - EXAM PREP QUESTIONS
WITH REVISED ANSWERS –
UPDATED!!
What is an occupant lead number? - 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? - Answer-1. Small hose system
2. Class I
3. Class II
4. Class III
What is a small hose system? - Answer-Designed for occupant use. No more than 1.5
inch diameter of hose. Helpful in controlling initial stages of fire(s).
What is dilution ventilation? - Answer-Less costly method of raising air quality up to
permissible levels. Adds clean air to contaminated air inside a building/rooms typically
through intake fans from doors or windows. Requires constant monitoring. Effective IF
air contaminates not far above PELs.
What is local exhaust ventilation? - Answer-Forced air intake. More expensive than
natural or dilution ventilation. Requires installation of machinery to collect and filter
contaminates from the air BEFORE it can move from the source of the contamination.
Effective in removal of flammable vapors, dust or other hazardous materials.
What are the three main types of fire alarm or sprinkler systems? - Answer-1.
Conventional sprinkler system
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 are the four concepts of OSHA's Voluntary Participation Program (VPP)? -
Answer-1. Hazards are identified and isolated early
2. Safety teams join together to analyze new processes, materials or equipment
3. Employer encourages employees observing and reporting concerns to management
and recommending solutions
4. Ongoing data collection to identify areas requiring remediation
, How do you determine the weight of a substance measured in gallons. - Answer-
Remember: pounds are unit of weight and gallons are unit of volume. You will need to
determine density to make the conversion.
density = mass(weight)/V(volume)
First find the density of the substance weigh a graduated beaker then subtract the
weight of the beaker from the total number.
How many kilograms are in a 1 pound - Answer-0.4536 kilograms in one pound
How many grams in 1 pound - Answer-453.6 grams in one pound
How many kilograms in a gram? - Answer-0.001 kilograms in one gram
How many pounds in one gram? - Answer-0.0022 grams in one pound
How many liters in a gallon? - Answer-3.79 Liters in one gallon
How many cubic meters in a liter? - Answer-0.001 cubic meters in one liter
how many gallons in a cubic meter? - Answer-264 gallons in a cubic meter
What are the two main components that are part of management's commitment to
worker safety (VPP)? - Answer-1. Hazard prevention and control
2. Safety and Health Training
What are the three requirements of effective hazard prevention and control (VPP)? -
Answer-1. Ongoing commitment
2. Hazard identification entered into program
3. System of fair discipline for both management and workers
What are three requirements of effective safety and health training (VPP)? - Answer-1.
Intensive and continuous training
2. Documented training schedules
3. Method(s) to asses employee comprehension of safety standards, hazards and safe
practices.
When must a handrail be added to stairwell? - Answer-When it is 30 inches or when is
has 4 or more risers.
Refuge Area - Answer-A fire and smoke protected space within a building along an exit
route.
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