Piston FAQs:


Q: Is a piston a component of reciprocating engines?

A: Yes, and reciprocating pumps, gas compressors and pneumatic cylinders, among other similar mechanisms.

Q: Is a piston a piston for a petrol engine that has been reduced in size and weight as much as possible?

A: Yes.

Q: Are pistons nearly always comparatively thin discs: their diameter is several times their thickness?

A: Yes.

Q: Were pistons of cast iron?

A: Yes, but there were obvious benefits for engine balancing if a lighter alloy could be used.

Q: Are pistons cast from aluminium alloys?

A: Yes.

Q: Are pistons used in two-stroke engines with crankcase compression?

A: Yes, where the gas flow within the cylinder must be carefully directed in order to provide efficient scavenging.

Q: Is a piston responsible for gas sealing and carries the piston rings?

A: Yes.

Q: Are pistons long relative to their diameter?

A: Yes.

Q: Are pistons single-acting?

A: Yes.

Q: Is a piston purely a mechanical guide?

A: Yes.