A single piece（） fitted with bronze ri

1、Fuel oil tanks must be fitted with （）

Fuel oil tanks must be fitted with （） that can be closed rapidly and remotely in the event of an emergency such as a fire.Astop valvesBnon-return valvesCquick closing valvesDrelief valve

2、A single fitting installed in a pipeli

A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.Ablind flangeBpivot couplingCquick-release couplingDspectacle flange

3、All bilge suctions must be fitted with

All bilge suctions must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor plate level for easy access.AstrangersBrelief valvesCemergency valvesDstrainer

4、Every lifeboat which is fitted with a

Every lifeboat which is fitted with a fixed two-way VHF radiotelephone apparatus with（）which is separately mounted shall be provided with arran...

5、A twin-screw vessel with a single rudd

A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is...

6、Every（）shall be fitted with a cargo ta

Every（）shall be fitted with a cargo tank cleaning system using crude oil washing.Aexisting crude oil tanker of 20000 tons deadweight and under...