1000+ Foundry Technology Interview Questions and Answers - 1

Question: 1

In copper alloy foundry which of the following is used to prevent the molten metal from being oxidized?

(A) calcium carbonate

(B) charcoal

(C) phosphorous

(D) bone ash

Question: 2

Which of the following facilitates shaking and lifting large pattern from the mould?

(A) ripping plate

(B) bellows

(C) trowel

(D) swab

Question: 3

Shell moulding is a process in which

(A) a mould comprising thin shell is produced by mixing dry silica and resin binder

(B) a strong core is prepared

(C) a thin shell is cast in sand mould

(D) none of the above

Question: 4

Rammer used for moulding the sand in large

(A) floor rammer

(B) hand rammer

(C) peen rammer

(D) none of the above

Question: 5

For annealing of aluminium it is heated to

(A) 325°C

(B) 425°C

(C) 525°C

(D) 625°C