Materials and Construction MCQs

Question 1

Amount of energy that a material can absorb before its fracture is a measure of its

Accepted Answer

Toughness

Answer

Resilience

Answer

Malleability

Answer

Ductility

Question 2

Residual magnetism in steel for magnets is increased by the addition of

Accepted Answer

Cobalt

Answer

Nickel

Answer

Tungsten

Answer

Chromium

Question 3

Corrosion resistance of steel is increased by the addition of

Accepted Answer

Nickel and chromium

Answer

Phosphorous and tungsten

Answer

Lead and vanadium

Answer

Molybdenum and tungsten

Question 4

Tin in its pure form is used for making

Accepted Answer

All of the above

Answer

Cans for food packing

Answer

Collapsible tubes for toilet preparations

Answer

Foil for wrapping cheese

Question 5

All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain

Accepted Answer

Increases very quickly

Answer

Decreases very quickly

Answer

Increases in proportion to stress

Answer

Decreases in proportion to stress

Question 6

Acetaldehyde is shipped in __________ drums.

Accepted Answer

Either B & C

Answer

Cast iron

Answer

Steel

Answer

Aluminium

Question 7

Aqueous nitric acid is stored in __________ vessel.

Accepted Answer

Cast iron

Answer

Plain carbon steel

Answer

Stainless steel

Answer

Thermosetting plastic material

Question 8

Babbit metals used for making bearings are

Accepted Answer

Tin or lead based alloys

Answer

Short of antifrictional properties

Answer

Having homogenous microstructure

Answer

Yellow metals

Question 9

Presence of manganese in alloy steel improves its

Accepted Answer

Abrasion resistance & toughness

Answer

Corrosion resistance

Answer

Cutting ability

Answer

Elasticity & creep resistance