caused by chemical action on tissue
thermal burn
electrical burn
chemical burn
chemical burn
a direct result of heat caused by the fire
thermal burn
electrical burn
chemical burn
thermal burn
caused by electrical current passing through tissue
thermal burn
electrical burn
chemical burn
electrical burn
caused by exposure of the tissue to steam
thermal burn
electrical burn
chemical burn
thermal burn
what percentage of a person is considered burned when the burned area is confined to the right leg
9%
when steam blisters cover half of a victims back a what percentage of b what class burn exists
a 9%
b second defree
when treating a victim with second or third degree burns, you should treat for what symptom first?
shock
personnel that work in noise hazardous areas with a noise level of 84db and above are required to have a hearing test within what specified period of time after reporting aboard ship?
90days
at what minimum decibel level is double hearing protection required?
104db
heat stress is caused by the body trying to regulate is temperature. which of the following is/are causes of heat stress?
air temp
thermal radiation
humidity
which of the following is not a cause of heat stress
a ship operating in a hot or humid climate
excessive steam and water leakes
missing or deteriorated pipe lagging
ventilation operating properly
ventilation operating properly
a heat stress survey is required in any space when the ambient temperature reaches or exceeds what minimum temperature
100F
the reason for conducting a heat survey of a space is to
determine the safe stay time for personnel
of the following items which on is not considered a hazardous item?
acid
enamel paint
coffee grounds
oil
coffee grounds
you can prevent an injury if you regard all aerosols as presenting what hazard
flammable
electrical equipment should be painted only when the lack of paint will cause what condition
corrosion
which of the following actions should not be taken to prevent corrosion
paint idenitfication plates
what are the two types of insulating varnish
clear baking and air drying
when the use of water based solvent is not practical what cleaner is recommended
inhibited methyl chloroform
what action should you take when using cleaning solvents in a confined space/
rig ventilation to blow out of the space
you should not use which of the following types of material to clean electrical contacts?
silver polish
steel wool
sandpaper
a burnishing tool