单选题The shut off valve at the gasoline tank which can be operated from outside the tank space ().Acontrols the amount of gasoline to the engineBshuts off the gasoline supply at the tankCis used if the gasoline tank leaksDAll of the above

单选题
The shut off valve at the gasoline tank which can be operated from outside the tank space ().
A

controls the amount of gasoline to the engine

B

shuts off the gasoline supply at the tank

C

is used if the gasoline tank leaks

D

All of the above


参考解析

解析: 暂无解析

相关考题:

The main propulsion diesel continues running after you try to shut down. You should now attempt to .A.stop the fuel oil booster pumpB.engage the jacking gearC.secure the lube oil pumpD.shut off the fuel at the settling tank

Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?A.Corrosion and eventual failure of the tankB.Gumming of the tank relief valvesC.Immediate failure of components downstream of the compressed air systemD.Boiling of the water oil mixture as pressure is reduced

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

A person may operate an air compressor in which of the following areas on board a tank barge ________.A.PumproomB.Generator roomC.A space adjacent to a cargo tankD.A space two meters from a cargo valve

N2 safety shut-off valve 1 tripped氮气安全截止阀2故障

初涂固化炉助燃空气压力低的英文翻译() A、PRIME OVEN COMBUSTION AIR PRESS LOWB、PRIME OVIME COG SAFETY SHUT OFF VALVE ANTION TIME OUTC、PRIME OVERN COMBUSTION FAN NFB OFF

单选题Your vessel is taking on bunkers from a shore side facility, if oil begins flowing from one tank vent, which of the following actions should be taken FIRST?()AOpen the intake valve to an adjacent tankBSet out drip pans and sawdust and begin to mop up the spillCSignal the shore control point to shutdownDClose the valve on the tank vent line

单选题Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because().Aa subsequent temperature rise will cause the cargo to overflowBair pockets may cause the cargo to bubble out of the ullage holeCthe increased viscosity of the product requires higher loading pressure which increases the chances of a spillDthe tank valve may be stiff and a spill will occur before the valve can be closed

单选题When operating the air supply system in a covered lifeboat the().Afuel supply valve should be closedBhatches,doors,and oar ports should be closedCair cylinder shut-off valve should be closedDengine should be shut off

单选题Your vessel is at a dock taking bunkers through a pipe laid down on the dock. If oil begins to flow out of a tank vent,what should you do FIRST?()AOpen the intake valve to an adjacent tankBSet out drip pans and sawdust and begin to mop up the spillCSignal the shore control point to shut downDClose the valve on the tank vent line

单选题The domestic fresh water pump starters are controlled by pressure switches which operate when the pressure in the tank varies within predetermined limits as water is drawn offThe word “which” means ().AstartersBpressure switchesCpressureDwater

单选题In a domestic fresh water system, the pump starters are controlled by () switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.Awater levelBwater flowCtemperatureDpressure

单选题On a ship,the possibility of a blowout makes which type of diesel engine shutdown desirable?()AOverspeed tripBAir inlet shut-off valveCWater injectorDFuel cutoff valve

单选题Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to().Abe fitted with a positive fuel shut-off valve located at the tankBhave a shut-off valve at the top of the tankChave a gate valve easily accessible in the space where the tank is locatedDhave a drain cock at the lowest point in the fuel line

单选题Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?()ACommence draining that tank as quickly as possibleBSeal off all vents to that tankCActivate the CO2 system to that tankDShut off the steam heating coils

单选题Diesel engines are considered safer than gasoline engines because().Athey are more heavily builtBthe fuel used is less volatileCthey can be easily reversedDthey operate at a lower speed

单选题A tank which has been sealed for a long period of time can be dangerous because ().Asteel surfaces consume oxygen by rustingBsealed tanks usually form a vacuumCmoisture condenses in the tank, displacing the oxygenDmost tank coatings give off poisonous vapors in the presence of moisture

单选题If a fire occurs in the boiler room because of a leaking fuel line to a burner, you shut off the fuel using the()Aburner valveBroot valveCquick closing valveDoil return valve

单选题In order to release CO2 to the machinery spaces from a fixed fire extinguishing system, you must().Aactuate an alarm and open the engine room control valveBactuate an alarm and open the engine room CO2 releasing valveCopen the engine room control valve and shut off engine room ventilation fansDopen the engine room control valve and then the CO2 releasing valve

单选题What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?()AThe tank must be gas freedBThe tank must be ballastedCThe tank must be vented to the atmosphereDThe bypass valve must also be closed

单选题Which action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?()AThe tank must be gas freedBThe tank must be ballastedCThe tank must be vented to the atmosphereDThe bypass valve must also be closed

单选题After received the “finished with engine” instruction, which of the following operations is false?()Ashut off the starting air receiver outlet valveBstop the FO priming transfer pump and shut off the correspondence inlet and outlet valveCstop the SW pump immediately and shut off the correspondence inlet and outlet valveDstop the FW pump immediately and shut off the correspondence inlet and outlet valve

单选题To prevent loss of stability from free communication flooding you should().Aclose the cross-connection valve between the off-center tanksBcompletely flood high center tanksCballast double bottom wing tanksDclose any opening to the sea in an off-center tank

单选题After finished the engine, which of valves cannot be shut off by the duty engineer?()Afuel valveBthe starting air valveCthe sea chestDthe main sea pump inlet valve

单选题Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?()ACorrosion and eventual failure of the tankBGumming of the tank relief valvesCImmediate failure of components downstream of the compressed air systemDBoiling of the water oil mixture as pressure is reduced

单选题The main propulsion diesel continues running after you try to shut downYoushould now attempt to()Astop the combustion air supplyBengage the jacking gearCsecure the lube oil pumpDshut off the fuel at the day tank

单选题A person may operate an air compressor in which of the following areas on board a tank barge?()APumproomBGenerator roomCA space adjacent to a cargo tankDA space two meters from a cargo valve