Explore topic-wise MCQs in Hazardous Waste Management.

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.
Discussion
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
Discussion
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
Discussion
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
Discussion
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.
Discussion
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
Discussion
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
Discussion
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.
Discussion
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
Discussion
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
Discussion
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.
Discussion
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
Discussion
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.
Discussion
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)
Discussion
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
Discussion
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
Discussion