MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the mathematical representation of a completely stirred reactor after a tracer is added? |
| A. | t =V/Q |
| B. | tC=C0e<sup>-1/ </sup> |
| C. | t =Q/V |
| D. | tC0=Ce<sup>-1/ </sup> |
| Answer» C. t =Q/V | |
| 2. |
Which of these is the mathematical representation of a condition of a plug flow reactor after a tracer is added? |
| A. | t =V/Q |
| B. | tC=C0e<sup>-1/ </sup> |
| C. | t =Q/V |
| D. | tC0=Ce<sup>-1/ </sup> |
| Answer» B. tC=C0e<sup>-1/ </sup> | |
| 3. |
In which type of reactor diffusion and dispersion contribute to solid fluxes into and out of the reactor? |
| A. | tVenturi reactor |
| B. | tOpen reactor |
| C. | tClosed reactor |
| D. | tRecycle reactor |
| Answer» C. tClosed reactor | |
| 4. |
Which type of reactor is used in precipitation reactions? |
| A. | tFluidised bed reactor |
| B. | tPlug flow reactor |
| C. | tVenturi reactor |
| D. | tRecycle reactor |
| Answer» E. | |
| 5. |
Which type of reactor is used in ion exchange or adsorption? |
| A. | tFixed bed reactor |
| B. | tVenturi reactor |
| C. | tPlug flow reactor |
| D. | tContinuous flow stirred reactor |
| Answer» B. tVenturi reactor | |
| 6. |
Which type of reactor is used for stripping off gases from water? |
| A. | tVenturi reactor |
| B. | tPacked bed reactor |
| C. | tPlug flow reactor |
| D. | tContinuous stirred reactor |
| Answer» C. tPlug flow reactor | |
| 7. |
Which type of reactor is not subjected to back mixing? |
| A. | tPlug flow |
| B. | tCompletely stirred reactor |
| C. | tBatch reactors |
| D. | tVenturi reactor |
| Answer» B. tCompletely stirred reactor | |
| 8. |
Which type of reactor is not used for oxidation? |
| A. | tPacked bed reactor |
| B. | tStirred tanks |
| C. | tTank in series |
| D. | tVenturi reactor |
| Answer» B. tStirred tanks | |
| 9. |
In which type of reactor, mixing is uniform? |
| A. | tIdeal reactor |
| B. | tBatch reactor |
| C. | tNon-ideal reactor |
| D. | tFixed bed reactor |
| Answer» B. tBatch reactor | |
| 10. |
Which reactors are characterized by non-continuous reactions? |
| A. | tPlug flow reactor |
| B. | tContinuous reactor |
| C. | tBatch reactor |
| D. | tFluidized bed reactor |
| Answer» D. tFluidized bed reactor | |