MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Rate of gaseous phase reaction depends on __________ |
| A. | Temperature of reactants only |
| B. | Pressure of reactants only |
| C. | Concentration of reactants only |
| D. | Temperature, Pressure and Concentration of reactants |
| Answer» E. | |
| 2. |
The unit for rate of reaction for a homogeneous reaction is __________ |
| A. | mol/s. g catalyst |
| B. | mol/s. mmHg |
| C. | mol/s. m3 |
| D. | mol/s. m2 |
| Answer» D. mol/s. m2 | |
| 3. |
In a PFR, the extent of reaction achieved does not depend on the shape of the reactor. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The kinetic rate law is ______ |
| A. | a differential eqn |
| B. | a linear eqn |
| C. | an algebraic eqn |
| D. | a quadratic eqn |
| Answer» D. a quadratic eqn | |
| 5. |
In ________ there are no spatial variations in concentration and temperature. |
| A. | PFR |
| B. | Tubular reactor |
| C. | CSTR |
| D. | Packed bed reactor |
| Answer» D. Packed bed reactor | |
| 6. |
Mole balance equation for a perfectly mixed batch reactor is _______ |
| A. | \(\frac{dNi}{dt}\) = 0 |
| B. | \(\frac{dNi}{dt}\) = ri V |
| C. | \(\frac{dNi}{dt} = \int_0^V\)ri dV |
| D. | \(\frac{dNi}{dt}\) = ri |
| Answer» C. \(\frac{dNi}{dt} = \int_0^V\)ri dV | |
| 7. |
General mole balance equation of species ‘i’ at any instant is as follows: ________ |
| A. | Rate of moles of ‘i’ in = Rate of moles of ‘i’ out |
| B. | Rate of moles of ‘i’ in + Rate of moles of ‘i’ out = Rate of moles of ‘i’ accumulated |
| C. | Rate of moles of ‘i’ in + Rate of moles of ‘i’ accumulated = Rate of moles ‘i’ out |
| D. | Rate of moles of ‘i’ in – Rate of moles of ‘i’ consumed by reaction – Rate of moles of ‘i’ out = Rate of moles of ‘i’ accumulated |
| Answer» E. | |
| 8. |
–rA is a universal notation for reaction rate. What does the negative sign indicate? |
| A. | Rate of formation of A |
| B. | Rate of disappearance of A |
| C. | Rate of dissociation of A |
| D. | Rate of association of A |
| Answer» C. Rate of dissociation of A | |
| 9. |
Chemical reaction rate is ___________ |
| A. | an extensive property |
| B. | an intensive property |
| C. | a chemical property |
| D. | a physical property |
| Answer» C. a chemical property | |
| 10. |
The unit for rate of reaction for a fluid-solid catalytic reaction is _______ |
| A. | mol/m3.s |
| B. | mol/s. g catalyst |
| C. | mol/s. mmHg |
| D. | mol/dm3.s |
| Answer» C. mol/s. mmHg | |