Before welding is permitted on a fuel tank, it must be certified or declared （）
- Asafe for becoming rounded
- Bsafe for hot work
- Cnot safe for personnel
- Dnot safe for hot work
问题
Before welding is permitted on a fuel
参考解析：
分类：船舶电气与船舶安全题库
相关推荐
-
1、Your vessel is taking on fuel oil when
Your vessel is taking on fuel oil when a small leak develops in the hose and you have ordered the pumping stoppedBefore resuming pumping，you...
-
2、Before welding can be done in a tank t
Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.Athe CustomsBthe Register Bureau of ShippingCthe Shipyard Fire DepartmentDa certified gas chemist
-
3、Before welding can be done in a tank t
Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.Athe customsBthe Register Bureau of shippingCthe shipyard fire departmentDa certified gas chemist
-
4、A fuel line breaks, sprays fuel on the
A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. Your first action should be to（）.ABatten down the engine roomBstart the fire pumpCapply carbon dioxide to the fireDshut off the fuel supply
-
5、Before entering a fuel tank that has b
Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an（）.AOrsat apparatusBflame safety lampCHalide torchDcombustible gas indicator
-
6、Permitting a diesel engine fuel oil da
Permitting a diesel engine fuel oil day tank to run dry can cause （）Aoverheated injection pumpsBwater condensation in the cylindersCfuel dilution of the lube oilDair in the fuel system