A

Admin • 831.35K Points
Coach

Q. What is the amount of sea coal needed in cast irons for large green casting moulding sands?

  • (A) 10%
  • (B) 15%
  • (C) 20%
  • (D) 25%
Explanation by: Admin
sea coal otherwise is used in small numbers for binding. sea coal is used for surface appearance improvement. it is used about 10% in cast iron moulding sands for large green casting sands.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.