更多"If two fuel service tanks are insta"的相关试题:
[单项选择]You are transferring fuel from the storage tanks to the day tanks by means of an electric fuel oil transfer pumpIf the pump motor catches fire, you would FIRST （）.
A. secure the fuel manifold
B. shut off power to the pump
C. shut off the power ventilation
D. spray water on the fire
[单项选择]Fuel oil day tanks for diesel engines must be checked and cleaned and cleaned at regular intervals in order to remove（）
A. sludge
B. water
C. micro-organism growth
D. all of the above
[单项选择]The fuel from the bunker tanks must be treated by before entering the service tanks（）, from where the fuel enters（）
A. centrifugal separators; the engine cylinder
B. oily water separators; the engine cylinder
C. oily water separators; the fuel supply system
D. centrifuges; the fuel supply system
[单项选择]After fuel tanks have been topped off, which of the listed procedures should be followed next?（）
A. The pressure-vacuum relief valve should be reset
B. The tanks should be made seaworthy to prevent contamination
C. The tanks should be sounded to make sure the levels are not rising
D. The tanks should be marked with a bull stamp on the manifold filling valve
[单项选择]Why is it important for fuel oil tanks not to be topped off at the inner bottom level when loading on a cold day?（）
A. Increased viscosity of the product needs higher loading pressure, which increases the chances of a spill
B. Air pockets may cause the fuel to bubble out of the ullage hole
C. The temperature rise of the fuel will cause an overflow
D. Fueling valve may become stuck closed and cause the fuel oil to spill before the valve can be opened
[单项选择]Fuel oil tanks must be fitted with （） that can be closed rapidly and remotely in the event of an emergency such as a fire.
A. stop valves
B. non-return valves
C. quick closing valves
D. relief valves
[单项选择]If fuel is burned from only the starboard tanks, the ship will （）.
A. go down by the head
B. list to starboard
C. trim by the stem
D. list to port
[单项选择]The operation between two fuel injections is called a （）.
A. turning cycle
B. working cycle
C. working hour
D. working stroke
[单项选择]The engine has one or two group of fuel pumps, depending upon （）.
A. the number of fuel valves
B. the number of cylinders
C. the speed of engine
D. the power of engine
[单项选择]Fuel injection systems meter fuel, atomize fuel, and （）.
A. create turbulence in the combustion chamber
B. aid in completing cylinder scavenging
C. inject fuel at the proper time
D. minimize fuel penetration into the cylinder
[单项选择]Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.
A. within the space concerned
B. outside the space concerned
C. the throttle station
D. within the fire room
[单项选择]Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce（）.
A. cold corrosion of the nozzles
B. fuel viscosity for better atomization
C. carbon accumulation on the nozzles
D. fuel detonation in the cylinders
[单项选择]During the fuel injection period, fuel pressure must exceed cylinder gas pressure to （）.
A. ensure penetration and distribution of the fuel in the combustion chamber
B. ensure the needle valve is flushed clean during each injection
C. prevent combustion gas blowback into the open needle valve
D. prevent reflected pressure waves when the needle valve closes
[单项选择]A fuel leak occurs in the high pressure fuel piping between the injection pump and fuel nozzleThis requires immediate repair because of the （）
A. high cost of fuel
B. serious fire hazard
C. possibility of pollution
D. poor combustion which will occur in that cylinder
[单项选择]Air in the fuel lines to the fuel injection nozzles of a diesel will result in （）.
A. lower compression pressures
B. overheating without smoking
C. failure to start
D. a run away without load
[单项选择]The fuel injector injects a fine spray of fuel into the hot air and combustion （）, producing much high pressure in the gases.
A. has begun
B. takes place
C. occurs
D. happens
[单项选择]A fuel line breaks，sprays fuel on the hot exhaust manifold，and catches fire. Your FIRST action should be to（）.
A. batten down the engine room
B. start the fire pump
C. apply carbon dioxide to the fire
D. shut off the fuel supply
