Question 250Motor Plants - Assistant Engineer70% to pass
Which of the following problems could develop due to the accumulation of oil vapors in the crankcase of a diesel engine?
AI Explanation
The correct answer is D) Crankcase explosion.
The accumulation of oil vapors in the crankcase of a diesel engine can lead to a potentially dangerous crankcase explosion. This is due to the flammable nature of the oil vapors, which can ignite and cause a sudden pressure increase within the crankcase. This sudden pressure increase can then lead to the crankcase rupturing or exploding.
The other options are incorrect because:
A) Reduced lubrication is not a direct consequence of oil vapor accumulation.
B) Poor fuel economy is not directly related to the crankcase oil vapor issue.
C) Combustion knock is typically caused by issues with fuel ignition, not crankcase oil vapors.
Related Questions
#248 Crankcase explosions in propulsion diesel engines result from _______________. #249 The purpose of an oil mist detector in a main propulsion diesel engine is to warn of _______________.#251 Starting aids such as glow plugs, are installed on_______________. #252 Precombustion chambers and energy cells in high-speed, small bore diesel engines all serve to increase_______________.#253 Which of the combustion chambers shown in the illustration is referred to as an "energy cell" used in some small diesel engines? Illustration MO-0068