CHST TEST QUESTIONS WITH ALL CORRECT ANSWERS
What are the four types of standpipe systems? - Answer-1. A small hose system. 2. Class I 3. Class II. 4. Class III.
What is a small hose system? - Answer-One in the diameter range of from 5/8 to 1 1/2 . This may be helpful in controlling incipi...
What are the four types of standpipe systems? - Answer-1. A small hose system. 2.
Class I 3. Class II. 4. Class III.
What is a small hose system? - 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? - 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? - Answer-Refers to a 1 1/2 inch hose system which is
capable of controlling incipient stage fires.
What is a Class III standpipe? - 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? - 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
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