MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Hazardous Waste Management knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If screening calculations indicate that the risk is below risk levels of concern, a quantitative uncertainty analysis may not be necessary for site. |
| A. | False |
| B. | True |
| Answer» C. | |
| 2. |
If the cost of remediation required to reduce exposure or risk is low, a quantitative uncertainty analysis is not required. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
An uncertainty analysis is additionally useful to weigh the benefits against the _____________ |
| A. | Costs of alternative remedial actions |
| B. | Chemical plans |
| C. | Exposure plans |
| D. | Toxicity actions |
| Answer» B. Chemical plans | |
| 4. |
Uncertainty in the point estimate that is less than one order of magnitude is considered ___________ |
| A. | High |
| B. | Low |
| C. | Moderate |
| D. | Very high |
| Answer» C. Moderate | |
| 5. |
A quantitative uncertainty analysis requires knowledge about the ___________ |
| A. | Frequency |
| B. | Duration |
| C. | Intensity |
| D. | Potential range of values likely to encompass the true but unknown value |
| Answer» E. | |
| 6. |
A discussion of uncertainty is critical for _____________ |
| A. | Characterization of risk |
| B. | Chemical analysis |
| C. | Pathway analysis |
| D. | Data calculation |
| Answer» B. Chemical analysis | |
| 7. |
IF_THE_COST_OF_REMEDIATION_REQUIRED_TO_REDUCE_EXPOSURE_OR_RISK_IS_LOW,_A_QUANTITATIVE_UNCERTAINTY_ANALYSIS_IS_NOT_REQUIRED._TRUE_OR_FALSE?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
If_screening_calculations_indicate_that_the_risk_is_below_risk_levels_of_concern,_a_quantitative_uncertainty_analysis_may_not_be_necessary_for_site._True_or_False$ |
| A. | False |
| B. | True |
| Answer» C. | |
| 9. |
An uncertainty analysis is additionally useful to weigh the benefits against the ____? |
| A. | Costs of alternative remedial actions |
| B. | Chemical plans |
| C. | Exposure plans |
| D. | Toxicity actions |
| Answer» B. Chemical plans | |
| 10. |
Uncertainty in the point estimate that is less than one order of magnitude is considered ____ |
| A. | High |
| B. | Low |
| C. | Moderate |
| D. | Very high |
| Answer» C. Moderate | |
| 11. |
What is the first step under parameter uncertainty analysis? |
| A. | Specify the maximum conceivable range of potential values relevant for unknown parameters with respect to the endpoint |
| B. | Specify a subjective probability distribution (pdf) for values occurring within this range |
| C. | Account for dependencies and/or correlations among parameters |
| D. | List all uncertain parameters |
| Answer» E. | |
| 12. |
To evaluate the magnitude of uncertainty about a risk estimate ______ procedure should be utilized. |
| A. | Statistical error propagation |
| B. | Mathematical error propagation |
| C. | Geographical error propagation |
| D. | Scientific error propagation |
| Answer» B. Mathematical error propagation | |
| 13. |
A quantitative uncertainty analysis requires knowledge about the _____ |
| A. | Frequency |
| B. | Duration |
| C. | Intensity |
| D. | Potential range of values likely to encompass the true but unknown value |
| Answer» E. | |
| 14. |
What is the formula to calculate Hazard Index (HI)? |
| A. | HI = (C*I*ED*EF)/ (BM*AT*RfD) |
| B. | HI = (C*I*EF)/ (BM*AT*RfD) |
| C. | HI = (C*I*ED*EF)/ (BM*AT) |
| D. | HI = (C*I*ED)/ (BM) |
| Answer» B. HI = (C*I*EF)/ (BM*AT*RfD) | |
| 15. |
________ is a valuable tool for prioritizing the contaminants. |
| A. | Chemical analysis |
| B. | Pathway analysis |
| C. | Uncertainty analysis |
| D. | Site analysis |
| Answer» D. Site analysis | |
| 16. |
A discussion of uncertainty is critical for _____ |
| A. | Characterization of risk |
| B. | Chemical analysis |
| C. | Pathway analysis |
| D. | Data calculation |
| Answer» B. Chemical analysis | |