The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a ______.A.crossoverB.runaroundC.come-alongD.manifold
The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a ______.
A.crossover
B.runaround
C.come-along
D.manifold
相关考题：
How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?A.With gooseneck ventsB.With warning signsC.With flame screensD.With pressure-vacuum relief valves
When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，check it ______.A.one meter from the tank bottom and one meter below the tank topB.one half the ullage of the tank and one meter below the tank topC.one half the ullage of the tank and one meter above the tank bottomD.at three meter intervals from the tank top to the bottom
To determine which grades of cargo a tank vessel is permitted to carry you should ______.A.refer to the vessel's Certificate of InspectionB.examine the cargo tanks and fittingsC.ask the terminal supervisor or his representativeD.check the loading order
What is an example of the term "Restraint of Rulers，Princes，or Peoples" in a marine insurance policy?A.A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseasesB.Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lienC.Damage caused by riot of the population of a portD.Losses caused by fines from polluting the harbor after malfunction of a piping system
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
Cargo pump relief valves are piped to the ______．A.cargo pump pressure gaugesB.crossover lines interconnecting two pumpsC.suction side of pumpsD.atmosphere through pump vents
The fitting at the end of a cargo line in a tank that allows suction to be taken close to the bottom of a tank is a ______．A.Suction endB.StrainerC.Bell-mouthD.Vacuum valve
The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a ______．A.come-alongB.crossoverC.manifoldD.runaround
What is NOT a requirement of cargo piping installed in tank vessels carrying grade D or E cargo ONLY ________．A.The cargo piping system shall be fixedB.Flanged joints shall be used for pipe sizes exceeding 2 inches in diameterC.Piping through bunker spaces may be run through a pipe tunnelD.Connections at bulkheads must be made so that the plating does not form part of a flanged joint
Valves on steam-smothering lines to cargo tanks shall be set with ______．A.The master control valve shut and valves to individual cargo tanks shutB.The master control valve open and valves to individual cargo tanks shutC.The master control valve shut and valves to individual cargo tanks openD.All valves open
What is the purpose of pressure-vacuum relief valves ________．A.Regulation of discharge pressure from cargo pumpsB.Maintaining constant velocity in cargo linesC.Regulation of suction head on cargo pumpsD.To maintain a tank or void at atmospheric pressure
单选题When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，check it（）.Aone meter from the tank bottom and one meter below the tank topBone half the ullage of the tank and one meter below the tank topCone half the ullage of the tank and one meter above the tank bottomDat three meter intervals from the tank top to the bottom
单选题What is the purpose of pressure-vacuum relief valves? （）ARegulation of discharge pressure from cargo pumpsBMaintaining constant velocity in cargo linesCRegulation of suction head on cargo pumpsDTo maintain a tank or void at atmospheric pressure
单选题Cargo pump relief valves are piped to the（）.Acargo pump pressure gaugesBcrossover lines interconnecting two pumpsCsuction side of pumpsDatmosphere through pump vents
单选题What is an example of the term Restraint of Rulers，Princes，or Peoples in a marine insurance policy? （）AA prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseasesBArrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lienCDamage caused by riot of the population of a portDLosses caused by fines from polluting the harbor after malfunction of a piping system
单选题To determine which grades of cargo a tank vessel is permitted to carry you should（）.Arefer to the vessel's Certificate of InspectionBexamine the cargo tanks and fittingsCask the terminal supervisor or his representativeDcheck the loading order
单选题The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a（）.AcrossoverBrunaroundCcome-alongDmanifold
单选题The inner bottom is the（）.Atank topBcompartment between the tank top and shell of the vesselCinner side of the vessel's shellDspace between two transverse bottom frames
单选题In setting the valves on a steam-smothering system on a tank vessel，the master control valve to cargo tanks should be（）.Aopen and individual tank valves openBopen and the individual tank valves closedCclosed and the individual tank valves closedDclosed and the individual tank valves open
单选题According to regulations，access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo shall be（）.Afrom areas equipped with power ventilationBonly from enclosed areas free from sources of vapor ignitionCfrom the open deckDfrom within the vessel
单选题Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）Adouble bottom fuel oil tank temperatureBheater supply steam flowCpressure of the fuel supplied to the burnersDattemperator steam flow in the heater discharge circuit
单选题The system will include various （） such as low tank level alarms and remote operation of tank outlet valves in the events of a fire.ASwitchesBpanelsCalarm unitsDsafety devices
单选题On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.AhydraulicBelectricCsteamDdiesel
单选题A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that（）.Aan air leak has developed in the tankBthe tank cooling system has malfunctionedCthe pilot cylinder discharge valve is leakingDan excessive amount of insulation has been installed on the tank and piping
单选题In setting the valves on a steam-smothering system on a tanker，the master control valve to cargo tanks should be（）.Aopen and individual tank valves openBopen and the individual tank valves closedCclosed and the individual tank valves closedDclosed and the individual tank valves open
单选题An inert gas system on a tanker should be used to（）.Aprevent the generation of flammable or combustible gas in tanksBblow out cargo lines to prevent the build up of gas concentrationsCdilute tank atmospheres to keep gas concentrations below the lower explosive limitDprevent fires in the pumproom by continually displacing flammable vapors
单选题An inert gas system on a tanker should be used to（）.Aprevent the generation of flammable or combustible gas in tanksBblow out cargo lines to prevent gas concentrationsCdilute tank atmospheres to keep gas concentrations below the lower explosive limitDprevent fires in the pumproom by continually displacing flammable vapors
单选题The valve on the discharge side of a cargo pump on a tank vessel will usually be a（）.Abutterfly valveBspectacle valveCcheck valveDglobe valve