Chemical Engineering MCQs

High recycle for pure gas

Plug flow for dilute liquid requiring no large preheating of feed

Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature

All of the above

Ideal plug flow

Bypass

Dead zone

Chanelling

0

1

2

3

A well stirred batch reactor

A plug-flow reactor

A single CSTR

CSTR’s connected in series

Is independent of temperature

Varies with temperature

Depends on the nature of the reactants

Both B and C

1-Feb

1-Mar

1-Apr

1-May

A

N

A+N

A-N

Single stirred tank (v = 5 litres)

Two stirred tank (each of 2.5 litres) in series

Stirred tank followed by tubular flow reactor (each of 2.5 litres)

Single tubular flow reactor (v = 5 litres)

0.875

0.5

0.425

Data insufficient to calculate

2HI ⇋ H₂ + I₂

N₂O₂ ⇋ 2NO₂

N₂ + O₂ ⇋ 2NO

None of these