Materials and Construction MCQs

Question 1

Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making

Accepted Answer

Flanges

Answer

Shafts

Answer

Gears

Answer

Shear blades

Question 2

How many atoms are there per unit cell in a body centred cubic lattice system?

Accepted Answer

2

Answer

3

Answer

4

Answer

6

Question 3

Ceramic materials

Accepted Answer

All of the above

Answer

Are exemplified by clay and mica

Answer

Are poor electrical conductors due to lack of free electrons

Answer

Never exhibit polymorphism

Question 4

Cermets are used for making

Accepted Answer

Both A & B

Answer

Cutting tools

Answer

Abrasives

Answer

Neither A nor B

Question 5

Interchain forces are the weakest in case of

Accepted Answer

Both rubber & elastomers

Answer

Plastics

Answer

Fibres

Answer

Elastomers

Question 6

Acetylene gas holder is made of

Accepted Answer

Steel

Answer

Copper

Answer

Cast iron

Answer

Monel metal

Question 7

Low carbon steels are those in which carbon percentage is around

Accepted Answer

0.1 to 0.35

Answer

0.4 to 0.7

Answer

0.8 to 1.5

Answer

1.5 to 2

Question 8

Chilled iron castings are

Accepted Answer

Highly wear resistant

Answer

Easily machinable

Answer

Soft on surface

Answer

None of these

Question 9

Refined acetic acid storage vessel are made of

Accepted Answer

Aluminium

Answer

Copper

Answer

High carbon steel

Answer

Nickel