Question

Pistons are usually made from what material?

1) silver
2) copper
3) plastic
4) aluminum

Answer 1

Pistons are usually made from aluminum.

Step-by-step explanation:

The material typically used to make pistons is aluminum. Aluminum is favored for its low weight and high strength-to-weight ratio, making it ideal for applications that require quick and efficient movement, such as in internal combustion engines.