Chemical Engineering - Chemical Engineering Basics

16.
Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
burning
intensive oxidation
evaporation
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
The material used for coating the welding electrode is termed as the
flux
slag
protective layer
binder
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?
Tin
Lead
Zinc
Glass
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
Even though heat transfer co-efficients in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.
film
nucleate
transition
all modes of
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).
V2
1/V2
1/Vg
Vg
Answer: Option
Explanation:
No answer description is available. Let's discuss.