Combustion gases formed in the cylinder of a...

Combustion gases formed in the cylinder of a...

Question 1 of 27070

Q

Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by __________.

A

cylinder valves

B

compression rings

C

piston skirts

D

oil rings

Question 1 / 270705eccefa1bacbc34ba4d47554

Question 1 of 270705eccefa1bacbc34ba4d47554

Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by __________.

Question 1 of 27070

Study area:

Study area:

Q

Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by __________.

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🔍 Key Concepts

• piston ring functions in a diesel engine • difference between compression control and lubrication/oil control around the piston • what components actually contact the cylinder wall to seal high‑pressure gases

💭 Think About

• Which part sits in grooves near the top of the piston and is designed to seal high‑pressure combustion gases? • Which option is mainly for guiding the piston in the bore rather than sealing combustion pressure? • Which part is specifically meant to control oil on the cylinder walls instead of sealing combustion gases?

✅ Before You Answer

• Identify which listed component forms the primary gas seal between piston and cylinder wall. • Eliminate parts whose main job is oil control or mechanical guidance, not gas sealing. • Make sure the choice you pick is located in the correct place on the piston to resist peak combustion pressure at top dead center.