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
相似题目
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Outlets in gasoline fuel lines are（）.
A . permitted for drawing fuel samples
B . permitted for draining fuel from lines
C . permitted for bleeding air from lines
D . prohibited
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Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to（）.
A . be fitted with a positive fuel shut-off valve located at the tank
B . have a shut-off valve at the top of the tank
C . have a gate valve easily accessible in the space where the tank is located
D . have a drain cock at the lowest point in the fuel line
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Fuel scarcities and price increases（）automobile designers to develop completely new lines of small cars and trucks.
A . prompted
B . persuaded
C . imposed
D . enlightened
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A ship helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least（）.
A . 30 gallons per minute
B . 40 gallons per minute
C . 50 gallons per minute
D . 60 gallons per minute
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A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
A . a low velocity spray applicator
B . a water spray or solid stream
C . at least two spray patterns of water
D . at least 25 psi delivered pressure
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A distorted spray pattern from a fuel injector can cause a diesel engine to have （）
A . higher firing pressure
B . more power output
C . lower fuel pressure
D . less power output
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The high-pressure fuel opens the fuel valve and is sprayed into the cylinder in tiny droplets known as （）.
A . injection
B . penetration
C . atomization
D . compressio
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In a diesel engine, fuel must be broken up into a spray of fine droplets to （）.
A . increase its quality
B . obtain complete burning
C . reduce its weight
D . all of the above
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The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line, is to （）.
A . evacuate all engine room personnel
B . fight the fire with hand portable extinguishers
C . activate the main CO
bank
D . stop the flow of leaking fuel oil
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The injection may be delayed, （）the pumps are in good order, if the fuel lines to the injection valves have not been cleared of air.
A . because
B . though
C . since
D . until
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When fighting a spreading fire resulting from a broken fuel line, you should FIRST （）.
A . look for a CO
extinguisher
B . use a soda acid extinguisher
C . shut off the fuel supply
D . smother the fire with rag
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Distortion of the spray pattern of a nozzle or injector may be indicated by a/an（）
A . high firing pressure
B . overload of that particular cylinder
C . smoky exhaust
D . cooling water temperature rise
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Which of the fuel injection systems listed uses a spring loaded differential spray needle valve and individual pump for each cylinder?（）
A . Common-rail injection
B . Air injection
C . Jerk pump injection
D . Distribution injectio
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主蒸汽管道破裂事故 main steam line break accident
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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
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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 . happe
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If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST （）.
A . notify the engineer on watch
B . isolate and secure the piping
C . throw sand on the fire
D . extinguish the fire using a combination nozzle with applicator
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public class test （ public static void main（string args） { int 1= 0； while （i） { if （i==4） { break； } ++i； } } ） What is the value of i at line 10？（）
A . 0
B . 3
C . 4
D . 5
E . The code will not compile.
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What is the term given to the process of breaking up fuel oil into very fine particles for better combustion?（）
A . Settling
B . Straining
C . Spraying
D . Atomizing
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You are writing a method that accepts a string parameter named message. Your method must break the message parameter into individual lines of text and pass each line to a second method named Process. Which code segment should you use?（）
A .https://assets.asklib.com/images/image2/201807271520576841.jpg
B .https://assets.asklib.com/images/image2/2018072715210345244.jpg
C .https://assets.asklib.com/images/image2/2018072715210662717.jpg
D .https://assets.asklib.com/images/image2/2018072715210992038.jpg
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During working, when the piston is near the （）, the air ignites the fine spray of fuel.
A . TDC
B . DTC
C . BDC
D . BCD
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When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）
A . Secure all engine room doors，hatches，and vents
B . Close the fuel line valve
C . Check the spread of the fire with foam
D . Cast the barge off the wharf
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The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the （） order is acknowledged.
A . finished with engines
B . stop
C . stand by
D . full ahead
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Why didn’t Alfred Tennyson put any unstressed syllable in the line “Break, break, break”?
