In an engine with air inlet valve and exhaust valve on its cylinder heads the fresh air will enter into the cylinder () and the gases exhaust (), there being an adequate overlap between the inlet opening and the exhaust closing.
相似题目
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In an operating diesel engine, which of the following condition is an indication of a leaking air starting valve?()
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An indication of a diesel engine air intake being partially clogged, is ().
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Your vessel is equipped with a fixed CO2 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?()
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An engineer, together with some motormen ()to help in the repair work.
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Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?().
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When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should()
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In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the ().
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When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its()
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A spring-loaded centrifugal flyweight governor responds to reduced engine load with an immediate increase in ()
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() in what position the engine stops there will always be at least one of the cylinders with its starting air valve open to admit compressed air to start the engine.
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In heavy marine engine the practice is to drive the engine on()which has previously been stored in starting air reservoirs.
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Before starting an engine by air, the engine must()
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Which of the following may cause that an engine doesnt run on starting air?()
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A restricted air intake to a diesel engine may result in the engine ().
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In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a () in the crankshaft to the bottom end bearing andthen up a connection rod to the gudgeon pin.
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Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by().
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Defective air cooler in a diesel engine will lead to ().
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The engine is started with () supplied from air receivers.
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With supercharging a larger mass of air is supplied to the cylinder by blowing it in under pressure, which is the best means to () of the engine.
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Which of the following problems can cause an above normal air temperature to develop in the intake manifold of a turbocharged and after-cooled diesel engine?()
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Which of the following may cause that an engine doesnt turn on starting air?()
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Charging is the filling of the engine cylinder with a supply or charge of fresh air () compression.
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It can be inferred from the passage that most people in the United States in 1955 viewed the national economy with an air of _________.
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Engineering students are supposed to be examples of practicality and rationality, but when it comes to my college education I am an idealist and a fool. In high school I wanted to be an electrical engineer and, of Course, any sensible student with my aims would have chosen a college with a large engineering department, famous reputation and lots of good labs and research equipment. But that's not what I did.