In order to discharge a C0<sub>2</sub> portable fire extinguisher , the operator must first().
A、invert the CO extinguisher
B、squeeze the two trigger handles together
C、remove the locking pin
D、open the discharge valve
A、invert the CO extinguisher
B、squeeze the two trigger handles together
C、remove the locking pin
D、open the discharge valve
A、avoid any swing in a restricted space B、prevent to touch with other vessels C、make a convenience of cargo discharging
A、A.primarily to lubricate the shaft seals B、B.due to the inability of this type of pump to lift water to cover the suction (eye) of the impeller C、C.to initially unload the pump by having its head pressure equal to discharge pressure D、D.in order to overcome the potential energy of water in the discharge line
A、increase discharge pressure B、increase suction vacuum C、develop pulsation flow D、keep a steady rate of flow
A、changes berths to expedite loading or discharging B、does not load and discharge its cargo in the time specified C、is not ready to load or discharge cargo D、loads and discharges its cargo in less time than specified
A、A.avoid any swing in a restricted space B、B.shelter the ship from strong winds C、C.prevent from touching with other vessels D、D.make a convenience of cargo discharging
A、The record of entry in the continuous discharge book shall agree with the entry made in the Ship's Articles. B、If the vessel was on coastwise articles,the record of discharge will be made in the Official Logbook. C、An entry should be made in the book and a Certificate of Discharge issued to the seaman. D、A Certificate of Discharge form should be attached to the book
A、discharged to into special area B、discharged into national waters C、discharged into the designated zone D、retained on board or discharged to reception facilities