Fire hose couplings（）.

A . use different fire hose pressures B . use fire hoses of different sizes C . not attack the fire from opposite sides D . not wear protective clothing

A . maximum working pressure B . bursting pressure C . safety relief valve setting D . maximum temperature

A . has left hand twist B . has inside threads on both ends C . has outside threads on both ends D . takes two men to operate

A . glycerine B . graphite C . kerosene D . fresh water and soa

A . a representative of the Captain of the Port B . the operator of the vessel or facility C . a representative of the National Cargo Bureau D . low inert gas temperature

A . adjusting the hose supports B . laying out an excess length of hose on deck C . tying off the topping lifts and runners to winch heads D . All of the above

A . in contact with the fill opening to guard against static spark B . from making contact with the fill opening to guard against static spark C . in contact with the fill opening to allow proper venting D . None of the above

A . increasing the permeability of the pumproom B . reduction of drill water from the storage tanks C . a list caused by water filling the compartment D . a reduced KG caused by water filling the compartment

A . flash；fresh air B . wash；fresh water C . flush；compressed air D . rush；diesel oil

A . draped over the fantail to dry out B . drained over the side and washed out C . drained into the bilges and washed out D . drained into buckets or fuel tank

A . fire hose might be damaged by cargo operations B . vessel is in port C . fire-main system is not charged D . fire pumps are used for purposes other than supplying water to the fire mai

A . static grounding device B . quick-disconnect nozzle C . splash guard D . vapor recovery system

A . have a design burst pressure of at least 25 psig B . be capable of withstanding at least 2.0 psi vacuum without collapsing or constricting C . be electrically continuous with a maximum resistance of ten thousand ohms D . All of the above

A . a representative of the Captain of the Port B . the operator of the vessel or facility C . a representative of the National Cargo Bureau D . a representative of the American Bureau of Shipping

A . the hose could burst B . the nozzle end will whip about causing damage or injury C . water damage to vessel's cargo or structure D . personnel might trip over the hose

A . progressive downflooding B . reducing the level of drill water from the storage tanks C . causing a list due to the water in the compartment D . reducing the KG to minimum allowable

A . 总矩增加时，自动增加尾桨的变矩输入 B . 最大总矩时限制脚蹬的工作 C . 限制尾桨控制脚蹬的操作速度 D . 以上都不对

A、 drove to the beach for holiday B、 happened to find a house for rent C、 noticed a small house surrounded by a fence D、 walked arround, trying to find the back door of the house1 ACI Mata in Dnr

A．Three weeks ago B．several weeks ago C．a few weeks ago D．not many weeks ago