A flame screen（）.

A、A.permit the passage of vapor but not of flame

B、B.prevents the passage of flammable vapors

C、C.prevents inert gas from leaving a tank

D、D.permits vapors to exit but not enter a tank

查看正确答案

更多“A flame screen（）.”相关的问题

第1题

[单选题] Flame screens are used to（）.

A、contain flammable fumes B、protect firefighters from flames C、prevent flames from entering tanks D、keep flames and sparks from getting out of an engine's exhaust system

点击查看答案

第2题

[单选题] Flame screens are used to（）.

A、contain flammable fumes B、protect firefighters from flames C、prevent flames from entering tanks D、keep flames and sparks from getting out of an engine's exhanst system

点击查看答案

第3题

[] A device fitted over the discharge opening on a relief valve consisting of one or two woven wire fabrics is called a（）.

A、A.flame stopper B、B.flame screen C、C.flame filter D、D.flame restrictor

点击查看答案

第4题

[单选题] A large metallic device，mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached)，designed to prevent the passage of a rapidly moving flame through the piping is called a（）.

A、flame arrestor B、flame screen C、detonation arrestor D、detonation blocker

点击查看答案

第5题

[单选题] A flame screen（）.

A、permits the passage of vapor but not of flame B、prevents the passage of flammable vapors C、prevents inert gas from leaving a tank D、permits vapors to exit but not enter a tank