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Chemical Reaction Engineering

Chemical Reaction Engineering
Holding time for flow reactors is __________ the space time, for constant fluid density

Triple
Double
None of these
Equal to

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Chemical Reaction Engineering
Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as

k ∝ T
k ∝ √T
k ∝ exp(-E/RT)
k ∝ T1.5

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Chemical Reaction Engineering
Reaction rate of a first order reaction, which is half completed in 23 minutes will be

0.03 hr⁻¹
0.03 min⁻¹
0.05 min⁻¹
0.03 sec⁻¹

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Chemical Reaction Engineering
A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is __________ seconds.

3
43833
32
1

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Chemical Reaction Engineering
A back mix reactor is

Same as ideal stirred tank reactor
Same as plug flow reactor (PFR)
Ideal at very low conversion
Suitable for gas phase reactions

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Chemical Reaction Engineering
Variables affecting the rate of homogeneous reactions are

Pressure and composition only
Pressure and temperature only
Temperature and composition only
Pressure, temperature and composition

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