Question

043. Typical shrinkage allowances for casting materials are as follows:
O (A) Grey cast iron: 7 to 10, Al: 15-18
(B) Grey cast iron: 10 to 20, Al: 7to 10
(C) Grey cast iron: 14 to 20, Al: 10 to 18
(D) Grey cast iron: 14 to 20, Al: 1:5​

Answer 1

Answer:

043. Typical shrinkage allowances for casting materials are as follows:

O (A) Grey cast iron: 7 to 10, Al: 15-18

(B) Grey cast iron: 10 to 20, Al: 7to 10

(C) Grey cast iron: 14 to 20, Al: 10 to 18

(D) Grey cast iron: 14 to 20, Al: 1:5