Materials And Construction - Practice Test

[#306] DDT is shipped in

(A) Stainless steel containers

(B) Paper bags

(C) Fibre drums

(D) Either B or C

Correct Answer

(D) Either B or C

[#307] 'Age hardening' of duralumin is due to

(A) Copper

(B) Magnesium

(C) Both A & B

(D) Neither A nor B

Correct Answer

(C) Both A & B

[#308] The ability of a material to offer resistance to scratching or indentation is a measure of its

(A) Brittleness

(B) Toughness

(C) Hardness

(D) Resilience

Correct Answer

(C) Hardness

[#309] Cast iron has

(A) High ductility

(B) High malleability

(C) Very high tensile strength

(D) Its elastic limit very close to ultimate breaking strength

(E) Very high tensile strenth

(F) High ductility

(G) High malleability

(H) Elastic limit close to ultimate breaking strength

Correct Answer

(D) Its elastic limit very close to ultimate breaking strength
(H) Elastic limit close to ultimate breaking strength

[#310] Hardest materials so far found is

(A) Diamond

(B) Graphite

(C) Carborundum

(D) Pumice stone

Correct Answer

(A) Diamond

Materials And Construction - Study Mode

[#306] DDT is shipped in

Correct Answer

[#307] 'Age hardening' of duralumin is due to

Correct Answer

[#308] The ability of a material to offer resistance to scratching or indentation is a measure of its

Correct Answer

[#309] Cast iron has

Correct Answer

[#310] Hardest materials so far found is

Correct Answer