The purpose of chaplets is :
Just like chills to ensure directional
solidification
To provide efficient venting
To support the cores
To join lower and upper parts of the
moulding box
To support the cores
Chaplets are used to support cores inside the mould cavity to take care of its own weight and overcome the metallostatic forces. These are made up of same material as of casting and can also work as chill.
Hence, the correct option is (C).
Preparing students for success in a changing World.
We care about our students
RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's