The piston’s function is to act as a moveable plug in the cylinder, forming the bottom part of the combustion chamber.
正确
举一反三
- The cylinder head, cylinder liner and （） form the combustion chamber. A: Aframe B: Bpiston C: Ccrankcase D: Dexplosion plate
- Cylinder head is bolted to the top of the cylinder block with a gasket in between sealing the block and forming the combustion chambers with the cylinders．
- The two-stroke cycle begins with the piston coming up from the bottom of its stroke， with scavenge ports in the sides of the cylinder being （）.
- combustion chamber
- The cylinders and pistons are in the ______ the cylinder block and the crankshaft is in the lower part. A: left part of B: upper part of C: right part of D: bottom part of
内容
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At bottom dead center, the centerline of the connecting rod usually coincides with the（） A: angularity of the piston motion B: inertia moment from the piston C: centerline of the cylinder D: centerline of the king pi
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All the rings are slightly rounded on their external top and bottom edges to keep the oil film on the cylinder liner during （） for new piston rings.
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At the bottom dead center (BDC), the piston moves back up, compressing the trapped fuel-air mixture in the cylinder with both intake and exhaust valves closed．
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When the fuel oil is burning in the combustion chamber, it _____.
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A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an （）.