Question 1
The purpose of casting steel struts into an aluminum piston is to ________.
◦ Provide increased strength
◦ Provide increased weight at the top part of the piston where it is needed for stability
◦ Control thermal expansion
◦ Both A and C
Question 2
The space behind the piston ring is called ________.
◦ Side clearance
◦ Forward clearance
◦ Back clearance
◦ Piston ring clearance