Materials and Construction MCQs

Question 1

Zinc is highly __________ at room temperature.

Accepted Answer

Resistant to atmospheric corrosion

Answer

Ductile

Answer

Malleable

Answer

Brittle

Question 2

Brine solution is stored/treated in __________ lined vessels/pipes.

Accepted Answer

Nickel

Answer

Rubber

Answer

Lead

Answer

Glass

Question 3

High speed cutting tool steels contain about __________ percent of tungsten.

Accepted Answer

18-20

Answer

6-8

Answer

30-35

Answer

50-55

Question 4

Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

Accepted Answer

Glass

Answer

Rubber

Answer

Monel

Answer

Nickel

Question 5

Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.

Accepted Answer

12-14

Answer

1.5-2

Answer

3.5-4.5

Answer

7-9

Question 6

18-4-1 high speed steel contains 18%, 4% and 1% respectively of

Accepted Answer

Tungsten, chromium and vanadium

Answer

Tungsten, vanadium and chromium

Answer

Vanadium, chromium and tungsten

Answer

Chromium, tungsten and vanadium

Question 7

SO 3 is absorbed using H 2 SO 4 in a

Accepted Answer

Packed steel tower lined with acid proof bricks

Answer

Cast iron packed tower

Answer

Stainless steel plate tower

Answer

None of these

Question 8

How many molecules per unit cell are there in a face centred cubic lettice?

Accepted Answer

4

Answer

2

Answer

6

Answer

8

Question 9

Percentage elongation of a material is a measure of its

Accepted Answer

Ductility

Answer

Brittleness

Answer

Toughness

Answer

Malleability