单项选择题
A.expansion space to leave in a tank
B.flash point at which the fuel will burn
C.temperature to which the fuel must be heated
D.rate at which the fuel can be pumped during transfer operations
单项选择题 Which of the following fuel oil characteristics establishes the danger point when transferring, pumping, and firing procedures are concerned?（）
单项选择题 Bunkering shall be terminated if there is a （）
单项选择题 Approximately what percent of tank space should be left for expansion of oil due to possible temperature increase?（）