Every new crude oil tanker of 20000 tons deadweight and above and every new product carrier of 30000 tons deadweight and above shall be（）with segregated ballast tanks.

Each fire pump on a tanker must have a pressure gauge located at（）.

Each fireman’s outfit and its spare equipment on a tanker must be stowed in a(n)（）.

If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will（）.

Any oil tanker which is not required to be provided with segregated ballast tanks in accordance with this paragraph may，however，be qualified as a segregated ballast tanker （）it complies with the other requirements of paragraphs of this Convention.

Every new crude oil tanker of 20000 tons deadweight and above and every new product carrier of 30000 tons deadweight and above shall be（）with segregated ballast tanks.

In which case is the IOPP Certificate of an inspected vessel NOT invalidated? （）

On a vessel carrying grades A，B，C or D cargoes，enclosed spaces where sources of vapor ignition are normally present shall NOT be segregated from cargo tanks by（）.

Individual wires，used in systems greater than 50 volts,（）.

In setting the valves on a steam-smothering system on a tanker，the master control valve to cargo tanks should be（）.