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.

Chemical Reaction Engineering
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.

Either A, B or C

Chemical reaction

Film diffusion

Diffusion through ash layer

Either A, B or C

Chemical reaction

Film diffusion

Diffusion through ash layer

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Chemical Reaction Engineering
Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃.

Unpredictable from the data

Decreases

Remains unchanged

Increases

Unpredictable from the data

Decreases

Remains unchanged

Increases

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Chemical Reaction Engineering
For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good.

τ = θ , when the fluid density changes in the reactor

τ and θ are always equal

τ = θ , for a non-isothermal reactor

τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant

τ = θ , when the fluid density changes in the reactor

τ and θ are always equal

τ = θ , for a non-isothermal reactor

τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant

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

0.05 min⁻¹

0.03 hr⁻¹

0.03 min⁻¹

0.03 sec⁻¹

0.05 min⁻¹

0.03 hr⁻¹

0.03 min⁻¹

0.03 sec⁻¹

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Chemical Reaction Engineering
Vegetable oils are hydrogenated in a __________ reactor.

Homogeneous catalytic

Slurry

Plug flow

None of these

Homogeneous catalytic

Slurry

Plug flow

None of these

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Chemical Reaction Engineering
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Fast reaction in catalyst of large pore diameter

Fast reactions in catalyst of small pore diameter

Slow reactions in catalyst of large pore diameter

Slow reactions in catalyst of small pore diameter

Fast reaction in catalyst of large pore diameter

Fast reactions in catalyst of small pore diameter

Slow reactions in catalyst of large pore diameter

Slow reactions in catalyst of small pore diameter

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Chemical Reaction Engineering

Chemical Reaction Engineering Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃.

Chemical Reaction Engineering For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good.

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

Chemical Reaction Engineering Vegetable oils are hydrogenated in a __________ reactor.

Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Chemical Reaction Engineering
Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃.

Chemical Reaction Engineering
For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good.

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

Chemical Reaction Engineering
Vegetable oils are hydrogenated in a __________ reactor.

Chemical Reaction Engineering
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for