Ceramic tips for the cutting tool are prepared from __________ powder.

Question: Exothermic reactions are best carried out in
[A].

a CSTR.

[B].

CSTR in series.

[C].

a plug flow reactor followed by CSTR.

[D].

CSTR followed by a plug flow reactor.

Answer: Option D

Explanation:

No answer description available for this question.

Question: For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.
[A].

film diffusion

[B].

diffusion through ash layer

[C].

chemical reaction

[D].

either (a), (b) or (c)

Answer: Option B

Explanation:

No answer description available for this question.