7000+ Foundry Metallurgy Quiz Questions and Answers - 1

Question: 1

In hot chamber method of die casting

(A) High melting point metals can be cast

(B) The melting pot is separate from die casting machine

(C) Only low melting point metal can be cast

(D) Die is kept hot by electrical heating

Question: 2

In true centrifugal casting, the impurities

(A) Get collected at the middle portion

(B) Get collected at the outer surface

(C) Get collected at the inner surface

(D) Are thrown out

Question: 3

Surfaces to be machined are marked with ____ colour on the pattern.

(A) Red

(B) Black

(C) Green

(D) Yellow

Question: 4

Which is used for repairing and finishing the mould?

(A) Lifter

(B) Riddle

(C) Slick

(D) Swab

Question: 5

____ gas is passed in sodium silicate moulding process.

(A) Argon

(B) Carbon dioxide

(C) Nitrogen

(D) Hydrogen