单项选择题
Before any machinery is put in operation，you should（）.
A.ventilate all compartments，see that the machinery is clean and there are no obstructions
B.just turn the key and start up
C.take for granted that there are no fuel leaks
D.assume there are no volatile fumes in the engine space
点击查看答案&解析
相关考题
-
单项选择题
Among the possible causes of unexpected constant inclination of the floating shhip is（）.
A.consumption of on board liquids
B.miscalculation of loads
C.liquid transfer through open valves
D.flooding due to hull damage -
单项选择题
According to the Insurance Terms of PICC，All Risk covers（）.
A.total and partial loss
B.4／4 collision liability
C.general average
D.all of the above -
单项选择题
A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral “4”when the vessel（）.
A.speed begins to drop
B.stops
C.receives ice damage
D.becomes icebound
