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. |
Determine the order of the reaction from the graph. |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» D. 3 | |
| 2. |
Determine the rate law for first order reaction 2A → R at constant pressure with 60% A in the initial reaction mixture and reduces by 15% in 4 minutes. |
| A. | -rA = 0.17 CA |
| B. | -rA = CA |
| C. | -rA = 2CA |
| D. | -rA = 3.6CA |
| Answer» B. -rA = CA | |
| 3. |
Constant volume batch reactors are the widely used industrial batch reactors. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
For the following reaction, calculate εA, containing 50% A and 50% inerts. |
| A. | 0.5 |
| B. | 1.5 |
| C. | 2.5 |
| D. | 0.75 |
| Answer» C. 2.5 | |
| 5. |
Calculate the value of εA of gas for the following isothermal gas phase reaction.(Assuming pure A) A → 4R |
| A. | A → 4Ra) 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 6. |
Design equation for varying volume system is ______a) t = \(\int_0^{XA} \frac{dXA}{-rA εA} \) b) t = \(\int_0^{XA} \frac{dXA}{CA0} \) c) t = \(\int_0^{XA} \frac{dXA}{NA0} \) d) t = CA0 \(\int_0^{XA} \frac{dXA}{-rA(1+XA ε |
| A. | t = \(\int_0^{XA} \frac{dXA}{-rA εA} \) |
| B. | t = \(\int_0^{XA} \frac{dXA}{CA0} \) |
| C. | t = \(\int_0^{XA} \frac{dXA}{NA0} \) |
| D. | t = CA0 \(\int_0^{XA} \frac{dXA}{-rA(1+XA εA)} \) |
| Answer» E. | |
| 7. |
Most suitable reactor for pharmaceutical industry is ______ |
| A. | MFR |
| B. | PFR |
| C. | Batch reactor |
| D. | PBR |
| Answer» D. PBR | |
| 8. |
The design equation for constant volume batch reactor in terms of partial pressure is (Assuming the gases to be ideal) |
| A. | –ri = \(\frac{1}{RT}\frac{dpi}{dt} \) |
| B. | –ri = \(\frac{V}{RT} \frac{dpi}{dt} \) |
| C. | –ri = \(\frac{PV}{RT} \frac{dCi}{dt} \) |
| D. | –ri = V \(\frac{dCi}{dt} \) |
| Answer» B. –ri = \(\frac{V}{RT} \frac{dpi}{dt} \) | |
| 9. |
The design equation for Batch reactor in integral form is _____ |
| A. | t = NA0\(\int_0^{XA} \frac{dXA}{-r_A} \) |
| B. | t = \(\int_0^{XA} \frac{dXA}{-r_A} \) |
| C. | t = NA0\(\int_0^{XA} \frac{dXA}{-r_{AV}} \) |
| D. | t = \(\int_0^{XA} \frac{dXA}{-r_{AV}} \) |
| Answer» D. t = \(\int_0^{XA} \frac{dXA}{-r_{AV}} \) | |
| 10. |
The design equation for Batch reactor in differential form is _______ |
| A. | NA0\(\frac{dXA}{dt}\) = -rA V |
| B. | \(\frac{dXA}{dt}\) = -rA |
| C. | \(\frac{dXA}{dt}\) = -rAV |
| D. | NA0\(\frac{dXA}{dt}\) = -rA |
| Answer» B. \(\frac{dXA}{dt}\) = -rA | |