A、In the lower level of the pumproom
B、In the middle level of the pumproom
C、In the upper level of the pumproom
D、On the deck outside the pumproom
更多“A pumproom is suspected of accumulating gases after a ventilation machinery breakdown. Where should the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases?（）.”相关的问题
A、In the lower level of the pumproom B、In the middle level of the pumproom C、In the upper level of the pumproom D、On the deck outside the pumproom
A、In the lower level of the pumproom B、In the middle level of the pumproom C、In the upper lever of the pumproom D、On the deck outside the pumproom
A、persons in the space wear gas masks B、persons in the space wear damp cloths over their mouths and nostrils C、ventilation system is secured and all persons leave the space D、ventilation system is kept operating
A、persons in the space wear gas masks B、persons in the space wear damp cloths over their mouths and nostrils C、ventilation system is secured and all persons leave the space D、ventilation system is kept operating
A、increasing the permeability of the pumproom B、reduction of drill water from the storage tanks C、a list caused by water filling the compartment D、a reduced KG caused by water filling the compartment
A、You must have two toxic vapor detectors or the pumproom must meet special requirements B、Each crew member must be provided with an emergency escape breathing apparatus C、A person taking cargo samples must wear protective clothing D、If you are carrying propionic acid also，the venting systems must be segregated
A、You must have two toxic vapor detectors or the pumproom must meet special requirements B、Each crew member must be provided with an emergency escape breathing apparatus C、A person taking cargo samples must wear protective clothing D、If you are also carrying allyl alcohol，the venting systems must be segregated
A、Pumproom B、Generator room C、A space adjacent to a cargo tank D、A space two meters from a cargo valve
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