单项选择题
A.The mixture is too lean to burn B.The mixture is too rich to burn C.The vapor is about to explode D.Conditions are perfect for combustion
The volatility of a liquid is the tendency of a liquid ...
单项选择题The volatility of a liquid is the tendency of a liquid to （）.
A.ignite B.explode C.asphyxiate D.vaporize
An oxygen indicator will detect （）.A.the amount of oxyg...
单项选择题An oxygen indicator will detect （）.
A.the amount of oxygen in a space B.the presence of harmful amounts of carbon monoxide C.concentrations of explosive gas D.All of the above
When making entries in the Oil Record Book, all quantif...
单项选择题When making entries in the Oil Record Book, all quantifies should be（）.
A.recorded as cubic meters with a conversion to barrels B.verified by the Chief Engineer C.recorded directly from the oil discharge monitor D.consistently recorded through the Oil Record Book in one specified unit (gallons, barrels, cubic meters)
