單項(xiàng)選擇題

A combustible gas indicator is used to determine （）.

A.if there is sufficient oxygen to support life
B.the toxicity of flammable gases or vapors
C.the amount of CO₂ present in flue gas
D.the presence of flammable gases or vapors in the air

你可能感興趣的試題

單項(xiàng)選擇題

A fire in a pile of linen is considered to be a class （）.

A.A fire
B.B fire
C.C fire
D.D fire

單項(xiàng)選擇題

Your vessel is taking on bunkers from a shore side facility, if oil begins flowing from one tank vent, which of the following actions should be taken FIRST?（）

A.Open the intake valve to an adjacent tank
B.Set out drip pans and sawdust and begin to mop up the spill
C.Signal the shore control point to shutdown
D.Close the valve on the tank vent line

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

A combustible gas indicator is used to determine （）.

你可能感興趣的試題

A fire in a pile of linen is considered to be a class （）.

Your vessel is taking on bunkers from a shore side facility, if oil begins flowing from one tank vent, which of the following actions should be taken FIRST?（）

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精