MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Decrease in inerts for an endothermic reaction ____ |
| A. | Increases conversion |
| B. | Decreases conversion |
| C. | Has no effect on conversion |
| D. | Initially increases and then decreases conversion |
| Answer» C. Has no effect on conversion | |
| 2. |
The point of intersection of energy balance and material balance curves for exothermic irreversible reactions, wherein instability is witnessed is stated as ____ |
| A. | Pour point |
| B. | Boiling point |
| C. | Flash point |
| D. | Ignition point |
| Answer» E. | |
| 3. |
The conversion achieved for the liquid phase reaction occurring in an adiabatic PFR with a heat of reaction -100 kJ/molK, specific heat of the stream being 100 J / molK and the temperature difference being 800K is ___ |
| A. | 0.65 |
| B. | 0.75 |
| C. | 0.90 |
| D. | 0.80 |
| Answer» E. | |
| 4. |
Which of the following reactors is used for large \(\frac{C_p}{-H_R}\)? |
| A. | CSTR |
| B. | PFR |
| C. | Photocatalytic reactor |
| D. | Membrane reactor |
| Answer» C. Photocatalytic reactor | |
| 5. |
State true or false.For exothermic reactions with large temperature drop, PFR is used. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
State true or false.An exothermic reaction approaches isothermal conditions by increasing the addition of inerts to the reaction mixture. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following correctly relates conversion to the heat of adiabatic reaction? |
| A. | Cp ∆T(-∆HR) = XA |
| B. | \(\frac{C_p}{-H_R}\) = XA |
| C. | \(\frac{C_p ∆T}{-H_R}\) = XA |
| D. | \(\frac{-H_R C_p}{∆T}\) = XA |
| Answer» D. \(\frac{-H_R C_p}{∆T}\) = XA | |
| 8. |
The optimum temperature progression for exothermic reversible reaction is ____ |
| A. | The locus of maximum rates |
| B. | Highest allowable temperature |
| C. | The isothermal path |
| D. | Lowest allowable temperature |
| Answer» B. Highest allowable temperature | |
| 9. |
Increase in temperature for an endothermic reaction ____ |
| A. | Decreases equilibrium conversion |
| B. | Increases equilibrium conversion |
| C. | Does not affect equilibrium conversion |
| D. | Initially decreases and then increases equilibrium conversion |
| Answer» C. Does not affect equilibrium conversion | |