Which statement is TRUE concerning cargo hose on tank barges ________．A.Cargo hose must be able to withstand the shut-off head plus the static head of the cargo pumpB.Cargo hose must be able to withstand the static head of the cargo pump but no less than 100 psiC.Cargo hose must be able to withstand the shut-off head less the static head of the cargo pump but no less than 100 psiD.Cargo hose must be able to withstand at least 150 psi
Which statement is TRUE concerning cargo hose on tank barges ________．
A.Cargo hose must be able to withstand the shut-off head plus the static head of the cargo pump
B.Cargo hose must be able to withstand the static head of the cargo pump but no less than 100 psi
C.Cargo hose must be able to withstand the shut-off head less the static head of the cargo pump but no less than 100 psi
D.Cargo hose must be able to withstand at least 150 psi
相关考题：
Which statement(s) is/are TRUE concerning crane cargo operations?A.Do not exceed rated load capacity of crane and container spreader or slingsB.During any cargo handling operation，the safety of personnel is paramountC.Cargo handlers must be outfitted with adequate protection from personal injuryD.All the above
You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol?A.Hose connections to the tank must be made with a minimum of three boltsB.There must be water pressure on the fire mainC.You must shut down if another vessel comes alongsideD.If transferring at anchor，you must display a red flag by day and a red light at night
Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?A.Each vent for the tank must be equal to the area of the tank filling lineB.The tanks must be protected by overflowsC.The total area of the vents or the overflow shall be at least equal to the area of the fill lineD.There must be twice as much vent area as the area of the fill line
You are on a multiple product tanker and carrying methyl acrylate，diethanolamine，and triethylamine. Which statement is TRUE?A.Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamineB.The heating coils to the cargo tank loaded with methyl acrylate must be blanked offC.Valve components made of aluminum，copper，or zinc may not be in contact with the cargoesD.Each crew member working on deck must have an emergency escape breathing apparatus
Which statement about stowing spare hose is TRUE ________．A.Fold the hose so that the male coupling is about 4 feet from the female coupling，then roll it upB.Roll the hose starting at the female endC.Roll the hose starting at the male endD.Fold the hose into lengths about 6 feet long and then lash the folds together
A bonding cable should be connected for cargo operations aboard a tank vessel as soon as the ______．A.Cargo has been loaded or dischargedB.Cargo hose is connectedC.Cargo pumps are startedD.Vessel is ready to handle cargo
Which statement is TRUE concerning deep well self-priming pumps ________．A.When loading oil cargo，it is always loaded via the discharge line through to the pump until the tank is topped offB.Stripping systems are generally eliminated for the purposes of cargo handlingC.In recent years deep well pumps have become increasingly unpopular in product tankers and medium size crude shipsD.There is no danger of damaging the pump from overheating
You are on a tanker designed to carry molten sulfur．Which statement is TRUE ________．A.There must be two portable toxic vapor detectors on boardB.The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volumeC.Cargo temperature may be taken by portable thermometersD.The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them
A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ______．A.Fire hose might be damaged by cargo operationsB.Vessel is in portC.Fire-main system is not chargedD.Fire pumps are used for purposes other than supplying water to the fire main
Which of the following statements is FALSE concerning the proper procedure in handling a fire hose ________．A.A 1.5 inch hose should be deployed with a minimum of a nozzleman and hosemanB.Back-up hosemen should be positioned wherever the hose makes a significant turnC.The fire hose should be partially charged before deploying it from the fire stationD.The nozzleman should always hold the nozzle with one hand on top，to prevent kickback
You are underway with a tow consisting of six barges containing hazardous chemicals．Which statement is FALSE concerning a cargo information card ________．A.It must be carried in the pilothouse，readily available for each chemical carriedB.It must be posted on the lead barge of the tow onlyC.It must be posted on each barge on the towD.It contains information on procedure for spills or leaks
单选题What is NOT a responsibility of the tankerman in charge of loading an unmanned tank barge? （）AEnforcement of smoking restrictionsBRestricting vessels from coming alongside the bargeCInsuring that a combustible gas indicator is aboardDProtecting cargo hose with chafing gear
单选题A loaded hopper barge with independent tanks has a placard，with alternating red and white quadrants，on each side and end. Which statement concerning this barge is TRUE?（）AThe cargo will spontaneously ignite if released to the atmosphereBYou must operate this barge as a lead bargeCThe barge should be spotted as far away from the towboat as possibleDThe barge must be in a protected position within the tow
单选题You are loading a cargo tank on your container ship. The tank displays the red label shown. Which statement is TRUE? （）AThe tank contains propyleneBThe tank's volume is 1077 cubic feetCThere are three tanks in the shipmentDThe tank contains an oxidizing material
单选题Which statement about stowing spare hose is TRUE（）.AFold the hose so that the male coupling is about 4 feet from the female coupling，then roll it upBRoll the hose starting at the female endCRoll the hose starting at the male endDFold the hose into lengths about 6 feet long and then lash the folds together
单选题Which statement(s) is/are TRUE concerning crane cargo operations? （）ADo not exceed rated load capacity of crane and container spreader or slingsBDuring any cargo handling operation，the safety of personnel is paramountCCargo handlers must be outfitted with adequate protection from personal injuryDAll the above
单选题Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.AEach vessel should show sidelightsBEach vessel should show at least one white lightCThe barges should be lighted as separate unitsDThe barges should be lighted as one vessel
单选题The danger of a charged hose left unattended on deck with the nozzle open is（）.Athe hose could burstBthe nozzle end will whip about causing damage or injuryCwater damage to vessel's cargo or structureDpersonnel might trip over the hose
单选题The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.Asecure all openings to the tankBdischarge an initial charge of CO2 with a hand portable extinguisherCdirect a fire hose into the tank and energize the fire mainDspray the tank boundaries with a fire hose to promote cooling
单选题You are on a multiple product tanker and carrying methyl acrylate，diethanolamine，and triethylamine. Which statement is TRUE? （）AMethyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamineBThe heating coils to the cargo tank loaded with methyl acrylate must be blanked offCValve components made of aluminum，copper，or zinc may not be in contact with the cargoesDEach crew member working on deck must have an emergency escape breathing apparatus
单选题Your tanker is designed to carry anhydrous ammonia in bulk.The keel was laid in 1980.Which statement concerning the carriage of this cargo is TRUE（）.AA flammable gas detection system must be installed in each cargo pump roomBTanks may not be located on deckCCarriage of this cargo is authorized by issuance of an IMO CertificateDAluminum and copper alloys are prohibited from being in valve parts in contact with the cargo
单选题A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the（）.Afire hose might be damaged by cargo operationsBvessel is in portCfire-main system is not chargedDfire pumps are used for purposes other than supplying water to the fire main
单选题Air compressors are NOT permitted in which space(s) on a tank barge carrying grade A cargo?（）AA cargo handling roomBA space in which cargo hose is storedCAn enclosed space containing cargo pipingDAll of the above
单选题According to regulations，a cargo hose used for transferring liquefied gases must have a bursting pressure of（）.A5 times the maximum working pressure on the hose during cargo transferBone half the designed working pressureC4 times the pressure of the cargo pump used for transferringD5 times the minimum working pressure on the hose during cargo transfer
单选题Which statement is TRUE concerning protection of double bottom tanks against excessive pressure? （）AEach vent for the tank must be equal to the area of the tank filling lineBThe tanks must be protected by overflowsCThe total area of the vents or the overflow shall be at least equal to the area of the fill lineDThere must be twice as much vent area as the area of the fill line
单选题Pinching of the cargo hose between the vessel and the dock should be prevented by（）.Aadjusting the hose supportsBlaying out an excess length of hose on deckCtying off the topping lifts and runners to winch headsDAll of the above
单选题Which statement is TRUE concerning spare charges for portable fire extinguishers on unmanned tank barges?（）.ASpare charges shall be carried for at least 50 percent of each size and variety required on boardBIf the unit cannot be charged by the vessel's personnel，one spare unit shall be carried in lieu of spare chargesCSpare charges shall be stowed in watertight containers on deckDRegulations concerning spare charges do not apply to unmanned barges