Chemical Engineering - Materials and Construction

6.
Which of the following has the poorest wel-dability ?
Low carbon steel
Mild steel
Wrought iron
High-carbon steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Creep is not exhibited at low temperature by
rubber
acrylics
lead
plastics
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Nickel and molybdenum are the basic constituents of
hastealloy
German silver
inconel
solder
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys.
beryllium
manganese
copper
iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
A steel alloy containing 36% nickel is called __________ , which has a zero co-efficient of expansion.
austenitic stainless steel
heat resisting steel
invar
high speed steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.