單項(xiàng)選擇題Diesel engine fuel oil contamination often results in （）

A.governor malfunctions
B.fuel injection system malfunctions
C.high cylinder lube oil temperatures
D.low intake temperatures


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題When a diesel engine is operate at partial load, as compared to full load ,a decrease will occur in the average （）

A.air quantity aspirated
B.fuel injection pressure
C.combustion pressure on the power stroke
D.compression on the compression stroke

2.單項(xiàng)選擇題The most common diesel engine fuel system problems are caused by （）.

A.incorrect adjustments
B.dirty fuel
C.broken fuel lines
D.excessive vibration

3.單項(xiàng)選擇題The power developed by a large slow-speed main propulsion diesel engine is dependent upon the （）

A.quantity of air it takes in and retains in the cylinders during a given time period
B.proportion of trapped air that is utilized in the combustion process
C.thermodynamic efficiency of the engine cycle
D.all of the above

4.單項(xiàng)選擇題Dirt in a fuel oil system of a diesel engine can cause （）

A.damage to strainers
B.over-speeding of the engine
C.excessive cooling of the engine
D.injector damage

5.單項(xiàng)選擇題While underway, which of the following would be the FIRST step in reversing a direct reversing large, low-speed, main propulsion, diesel engine?（）

A.Manually trip the over-speed device
B.Interrupt the fuel flow to the engine
C.Disengage the safety interlock
D.Slide the camshaft to the neutral position