单项选择题
A.take shallow breaths of air B.ventilate the area C.wear a breathing apparatus while working D.keep a charged fire hose handy
The safe rate of bunkering heavy fuel oil is directly r...
单项选择题The safe rate of bunkering heavy fuel oil is directly related to the （）.
A.type of fuel transfer pump aboard B.temperature of the fuel oil being received C.size of the fuel storage tanks ashore D.distance from the fuel oil storage tanks ashore
The term "load on top" is used on many crude oil carrie...
单项选择题The term "load on top" is used on many crude oil carriers, is to provide a method for （）.
A.calculating the ullage in the cargo tanks B.loading ballast by gravity C.the loading of new cargo into the slop tank as a procedure to minimize pollution D.calculating the ratio of cargo expansion in a cargo tank
To avoid excessive pressures in the fuel oil filling sy...
单项选择题To avoid excessive pressures in the fuel oil filling system during bunkering, you should （）.
A.close the tank filling valves quickly B.top off all tanks at the same time C.rill completely all tanks to less than 95% full D.reduce the loading rate when topping off
