1000+ Foundry Engineering Multiple Choice Questions and Answers - 1

Question: 1

Wax patterns are used in

(A) machine moulding process

(B) non-ferrous castings

(C) investment casting process

(D) all of the above

Question: 2

Which of the following cast iron is resistant to attack by sea water?

(A) low phosphorous cast iron

(B) low sulphur cast iron

(C) low nickel cast iron

(D) low chromium cast iron

Question: 3

Tempering is generally done to reduced all of the following except

(A) tensile strength

(B) brittleness

(C) hardness

(D) ductility

Question: 4

Flux used in cupola while melting cast iron is

(A) molasses

(B) coke slurry

(C) limestone

(D) any of the above

Question: 5

Oil used for core sand is

(A) mineral oil

(B) molasses

(C) linseed oil

(D) any of the above