Class B fires are best extinguished by smothering, i-e().
If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?()
CO2 extinguishes a fire by ().
Portable foam type fire extinguishers are most effective on().
Removing which will extinguish a fire?().
How does foam extinguish an oil fire?()
Foam-type portable fire extinguishers are most useful in combating fires involving().
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in().
Foam-type portable fire extinguishers are more usefull in combating fires involving().
Halon extinguishes a fire by().
Dry chemical extinguishers extinguish class B fires to the greatest extent by().
A fire can be extinguished by removing ().
A portable foam fire extinguisher is placed in operation by()
A foam-type portable fire extinguisher would be most useful in combating a fire in().
C02 extinguishes a fire by().
When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent ().
Foam extinguishes a fire mainly by().
A foam-type portable fire extinguisher is most useful in fighting a fire in().
CO2 extinguishes a fire by().
Halon from extinguishers used on a class B fire,should be directed().