Question

A little bigger than the diameter of the cylinder, _______ stop pressurized fuel-air mixture from leaking between the cylinder wall and the pistons.

A. connecting rods
B. scrapers
C. bearing inserts
D. rings

Answer 1

A little bigger than the diameter of the cylinder, Rings stop pressurized fuel-air mixture from leaking between the cylinder wall and the pistons. This device is more commonly known as piston rings that is commonly used in steam engine or combustion engine

Answer 2

RINGS

Step-by-step explanation

in a vehicle engine there are a series of rings that are called piston rings,which helps in the regulation of the oil pressure and amount of oil consumed by the engine.The main function of the rings is Sealing the combustion chamber so that there is minimal loss of gases to the crank case. therefore Improving heat transfer from the piston to the cylinder wall thus regulating engine oil consumption by scraping oil from the cylinder walls back to the sump.