Technician a Says That a Disadvantage of Forged Steel Trunk

Multiple Choice

Technician A says that a disadvantage of forged steel trunk pistons is reduced headland volume when compared with articulating pistons. Technician B says that when a diesel engine uses lighter pistons, higher rpms are possible. Who is correct?

A) Technician A only
B) Technician Bonly
C) Both A and B
D) Neither A nor B