CHMM CHMM Risk Assessment and Hazard Analysis

Question 1

In quantitative risk assessment, risk is defined as the combination of which two factors?

Accepted Answer

Probability and consequence (severity)

Answer

Hazard and exposure pathway

Answer

Toxicity and concentration

Answer

Frequency and detectability

Question 2

Which hazard analysis technique uses a systematic, inductive approach with a structured worksheet to identify deviations from design intent using guide words like 'more,' 'less,' and 'no'?

Accepted Answer

HAZOP Study

Answer

Fault Tree Analysis (FTA)

Answer

Failure Mode and Effects Analysis (FMEA)

Answer

What-If Analysis

Question 3

A Preliminary Hazard Analysis (PHA) is typically conducted at which stage of a project?

Accepted Answer

Early in the conceptual or design phase

Answer

During decommissioning of a facility

Answer

After a major incident has occurred

Answer

During the operational permit renewal

Question 4

In an environmental health risk assessment, what is the step that determines how much of a chemical people are actually exposed to?

Accepted Answer

Exposure assessment

Answer

Hazard identification

Answer

Dose-response assessment

Answer

Risk characterization

Question 5

Which term describes the concentration of a chemical in air at which 50% of a test animal population dies within a specified time period?

Accepted Answer

LC50

Answer

LD50

Answer

TLV-TWA

Answer

IDLH

Question 6

The process of identifying what can go wrong, how likely it is, and what the consequences are is the definition of which activity?

Accepted Answer

Risk assessment

Answer

Process safety management

Answer

Consequence analysis

Answer

Safety audit