单项选择题
A.notify the terminal superintendent B.place a large drip pan under the leak and ping the scuppers C.repair the hose with a patch D.replace the hose
A combustible gas indicator is used to determine （）.A.i...
单项选择题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
A fire in a pile of linen is considered to be a class （...
单项选择题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
Your vessel is taking on bunkers from a shore side faci...
单项选择题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
