Chemical Engineering - Materials and Construction

6.
Ceramic recuperators are generally made of
silicon carbide.
calcium carbide.
fireclay bricks.
high alumina bricks.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Hammers and railway rails are normally made of
mild steel
dead mild steel
medium carbon steel
high carbon steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Softness of silver can be converted into hardness by alloying it with small quantity of
copper & nickel
zinc
aluminium
tin
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
The addition of antimony in tin-based alloys improves its
rupture strength and hot hardness.
impact strength and bonding strength.
deformation resistance.
wear resistance.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability ?
Lead
Copper
Aluminium
Wrought iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.