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- Question
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%
- Correct Answer
- 95%
- 1. The reaction between oxygen and organic material is a/an __________ reaction.
Options- A. exothermic
- B. endothermic
- C. biochemical
- D. photochemical Discuss
- 2. A first order reaction requires two equal sized CSTR. The conversion is
Options- A. less when they are connected in series.
- B. more when they are connected in series.
- C. more when they are connected in parallel.
- D. same whether they are connected in series or in parallel. Discuss
- 3. Which of the following will give maximum gas conversion?
Options- A. Fixed bed reactor.
- B. Fluidised bed reactor.
- C. Semi-fluidised bed reactor.
- D. Plug-flow catalytic reactor. Discuss
- 4. The operation of a rotameter is based on
Options- A. variable flow area.
- B. rotation of a turbine.
- C. pressure drop across a nozzle.
- D. pressure at a stagnation point. Discuss
- 5. The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C.
Options- A. 250
- B. 500
- C. 750
- D. 1000 Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. __________ 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
- 10. 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 Discuss
Chemical Reaction Engineering problems
Search Results
Correct Answer: exothermic
Correct Answer: more when they are connected in series.
Correct Answer: Semi-fluidised bed reactor.
Correct Answer: variable flow area.
Correct Answer: 500
Correct Answer: Reactions with high activation energies are very temperature sensitive.
Correct Answer: one
Correct Answer: chemical
Correct Answer: C-curve
Correct Answer: activation
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