轮机英语打印版802单+50篇+60译（2023.05.24)

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The_____ engine is used for alternators and sometimes for main propulsion with a gearbox to provide a propeller of between 90 to 120 rpm.

Since the burning or combustion takes place within the engine itself, the engine is known as_____.

Where will the thrust forces from the propeller be transferred to through a thrust bearing?

Since most medium-speed diesel engines are non-reversible, what is usually used to cater for astern thrust?

____ speed engines operate in speed ranges from 300 to 1000 rpm.

The three largest categories of ships are container ships, _____ (for bulk goods such as grain, coal, ores, etc.) and tankers, which again can be divided into more precisely defined classes and types.

Increasing the compression ratio of a diesel engine while maintaining the designed rate of fuel flow will result in_____.

Effective horsepower is the power developed by the_____ in the cylinder, but some of this is lost by friction within the engine.

For the diesel engine, the operation between two fuel oil injections is called a_____, which consists of a fixed sequence of events.

The term used to express the ignition quality of a particular fuel is_____.

A piston in a four-stroke/cycle diesel engine makes four strokes during each_____.

For an ordinary four-stroke engine the exhaust valves open_____.

For an ordinary modern marine four-stroke engine the inlet valves open_____.

Fuel oil begins injection into the cylinder of a four-stroke/cycle diesel engine during the_____.

During which of the listed piston stroke of a four-stroke/cycle diesel engine, is the piston moving downward?

Fuel injection begins during the compression stroke, before the piston reaches_____.

What is commonly used to create turbulence in a diesel engine combustion system?

____ pistons have low inertia and high coefficient of thermal expansion.

Connecting rods in a trunk-piston diesel engine are used to connect the_____.

The upper section of a piston is called the_____.

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