A、one meter from the tank bottom and one meter below the tank top
B、one half the ullage of the tank and one meter below the tank top
C、one half the ullage of the tank and one meter above the tank bottom
D、at three meter intervals from the tank top
更多“When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，the atmosphere must be sampled（）.”相关的问题
A、It will check the MD5 checksum of the install package. B、It will check if the device meets the memory requirements for the install package. C、It will check the compatibility of the configuration with the install package. D、It will check if the device meets the storage requirement for the install package.
A、The policy is determined after the SCREEN options check. B、The policy is determined only during the first packet path, not during fast path. C、The policy is determined after the zone check. D、The policy is determined after the SYN TCP flag.
A、12 times on each watch B、When time allows C、At least once a watch D、No checking is necessary
A、check hydraulic oil levels every hour B、check the rams for overheating C、check for excessive oil leakage from rams D、drain water from telemotor cylinders each watch
A、only when the cargo is within its rail B、during the time when loading or unloading is going on C、after the cargo is checked by tallymen D、as soon as loading or discharging begins
A、only when the cargo is within its rail B、during the time when loading or ynloading is going on C、after the cargo is checked by tallymen D、as soon as loading or discharging begins
A、only when the cargo is within its rail B、after the cargo is checked by tallymen C、as soon as the cargo loading or unloading begins D、during the time when loading or unloading is going on
A、A. Host Checker is disabled. B、B. Host Checker will perform continous checks. C、C. Host Checker will perform checks when user logs out. D、D. Host Checker will perform checks when user first logs in.
A、It will check the MD5 checksum of the install package. B、It will check if the device meets the memory requirements for the install package. C、It will check the compatibility of the configuration with the install package. D、It will check if the device meets the storage requirement for the install package.
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