CHEMICAL REACTION ENGINEERING QUIZ

Ammonia synthesis

Catalytic cracking

Oxidation of sulphur

Methanol synthesis

The conversion of the reactant varies from point to point along a flow path

The composition of reactants remains constant along a flow path

There may be diffusion along the flow path

There is no lateral mixing of fluid

0.1 to 0.9

None of these

L.0 to 10⁻⁸

L.l.to 10²

Third

Second

Zero

First

Operates at very high pressure

Is made entirely of stainless steel

Measures the catalyst surface area directly

None of these

Tank in series

Mixed flow

Dispersion

Plug flow

Batch

Mixed

Plug-flow

None of these

Linearly with time

Logarithmically with time

Very abruptly towards the end of the reaction

Exponentially with time

Be same in both cases

Be more in PFR than in CSTR

Depend on the temperature

Be more in CSTR than in PFR

Reactant's concentration

Temperature

Catalyst

Number of molecules of reactants taking part in the reaction