Discussion
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- Question
The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy.
Options- A. activation
- B. potential
- C. binding
- D. threshold
- Correct Answer
- activation
- 1. __________ is the response curve for a step input signal from a reactor.
Options- A. S-curve
- B. C-curve
- C. I-curve
- D. none of these Discuss
- 2. For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.
Options- A. physical
- B. chemical
- C. both (a) and (b)
- D. neither (a) nor (b) Discuss
- 3. Reaction rate equation for the reaction,
. If S at is present in large excess, what is the order of this reaction?
Options- A. zero
- B. one
- C. two
- D. three Discuss
- 4. Pick out the correct statement
Options- A. Reactions with high activation energies are very temperature sensitive.
- B. Chemical equilibrium is a static state.
- C. A photochemical reaction is catalysed by light.
- D. A chemical reaction occurs when the energy of the reacting molecule is less than the activation energy of the reaction. Discuss
- 5. 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant?
Options- A. 100%
- B. 95%
- C. 75%
- D. 20% Discuss
- 6. A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length
Options- A. decreases.
- B. increases.
- C. is at the highest allowable temperature throughout.
- D. first increases and then decreases. Discuss
- 7. In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole.
Options- A. 100
- B. 1000
- C. 10000
- D. 100000 Discuss
- 8. The single parameter model proposed for describing non-ideal flow is the __________ model.
Options- A. tank in series
- B. dispersion
- C. both (a) & (b)
- D. neither (a) nor (b). Discuss
- 9. From among the following, choose one which is not an exothermic process.
Options- A. Methanol synthesis
- B. Catalytic cracking
- C. Ammonia synthesis
- D. Oxidation of sulphur Discuss
- 10. 'N' plug flow reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for __________ order reactions.
Options- A. first
- B. second
- C. third
- D. any Discuss
Chemical Reaction Engineering problems
Search Results
Correct Answer: C-curve
Correct Answer: chemical
Correct Answer: one
Correct Answer: Reactions with high activation energies are very temperature sensitive.
Correct Answer: 95%
Correct Answer: is at the highest allowable temperature throughout.
Correct Answer: 1000
Correct Answer: both (a) & (b)
Correct Answer: Catalytic cracking
Correct Answer: any
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