Question 60Motor Plants - Assistant Engineer
70% to passWhich type of diesel engine fuel nozzle is shown in the illustration? Illustration MO-0059
AMulti-hole
BOpen
CSelf-cleaning
DPintle
AI Explanation
The correct answer is A) Multi-hole. The multi-hole diesel engine fuel nozzle is the correct type shown in the illustration MO-0059. This type of nozzle is commonly used in diesel engines as it provides a finely atomized fuel spray pattern, which helps with efficient combustion and reduced emissions. The multiple small holes in the nozzle tip facilitate this atomization process. The other options are incorrect because: B) Open nozzles are not commonly used in modern diesel engines, C) Self-cleaning nozzles have additional features to prevent clogging, and D) Pintle nozzles have a central pin that controls the fuel spray pattern, which is different from the multi-hole design.
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