Chemical Engineering - Chemical Engineering Basics

6.
In continuous casting process, graphite moulds are used with a view to providing
heat resisting medium.
self lubricating qualities.
non-wetting surfaces.
chilling effect.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Energy required to compress a hot gas as compared to cold gas will be
more.
less.
same.
more or less depending upon the nature of the gas.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
In the commercial production of which of the following metals, matallothermic reduction is used ?
Copper
Zinc
Zirconium
Nickel
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
New water wells are disinfected with chlorine in the form of
sodium chloride
sodium hypochlorate
bleaching powder
aluminium chloride
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will
decrease gradually.
increase gradually.
increase rapidly.
remain constant.
Answer: Option
Explanation:
No answer description is available. Let's discuss.