Chemical Engineering - Chemical Engineering Basics

31.
The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.
refrigerant cooling
evaporator
condenser
throttling
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
Material having negative co-efficient of linear expansion is
copper
aluminium
rubber
nickel
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.
2
3
0.8
6
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
__________ is the hardest material out of the following.
Boron carbide
Tungsten carbide
Hardened steel
Silicon carbide
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
The phenomenon of weld decay is found in case of
gun metal
brass
stainless steel
cast iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.