Petroleum is a result of the()of plant or animal matter in areas which are slowly subsiding.
The primary hazard of liquefied petroleum gas and liquefied natural gas is().
Before welding in a tank that has carried petroleum products,the tank must be certified by ().
The American Petroleum Institute recommends magnetic particle inspection for().
Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because().
Which of the petroleum products listed has the lowest flash point?()
One of the principal dangers inherent in liquefied petroleum gas is().
A petroleum liquid has a flashpoint of 85°C . This liquid is in IMDG code classed as a().
Which of the petroleum products listed has the lowest flash point?()
Before welding can be done in a tank that has carried petroleum products, a certificate must be obtained from().