Question 155Motor Plants - Assistant Engineer
70% to passThe diesel engine component labeled "1", shown in the illustration is called a/an_______________. Illustration MO-0122
Aexternal thread
Bexhaust valve spring
Cinlet valve spring
Dconical speed/surge prevention device
AI Explanation
The correct answer is B) exhaust valve spring. The exhaust valve spring is responsible for closing the exhaust valve in a diesel engine, allowing the engine to properly expel the exhaust gases after the combustion cycle. This component is a critical part of the engine's valve train and is labeled as "1" in the provided illustration MO-0122. The other answer choices are incorrect because: A) external thread is not a engine component, C) inlet valve spring controls the intake valve, and D) conical speed/surge prevention device is not a standard diesel engine component.
Related Questions
Q@q.QuestionNumber:Precombustion chambers and energy cells in high-speed, small bore diesel engines... Q@q.QuestionNumber:To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are m... Q@q.QuestionNumber:Which of the air intake systems listed will result in the lowest specific fuel c... Q@q.QuestionNumber:When calculating the indicated power developed in a diesel engine cylinder, 1 ho... Q@q.QuestionNumber:As shown in the illustration, which of the following conditions would be respons...
Ready to test your knowledge?
Take a Motor Plants - Assistant Engineer Practice ExamOfficial Resources
Want to practice with timed exams?
Download Coast Guard Exams for the full exam experience.
Get the App