CSP Hazard Identification and Risk Assessment 2

Question 1

What does HAZOP stand for, and in what setting is it most commonly applied?

Accepted Answer

Hazard and Operability Study — applied in process industries to identify deviations from design intent

Answer

Hazard Operations Protocol — applied in emergency response planning

Answer

Hazardous Occupancy Program — applied in building fire code compliance reviews

Answer

Hazard Assessment and Occupancy Planning — applied in construction site layout

Question 2

In a Fault Tree Analysis (FTA), what does an AND gate represent?

Accepted Answer

The top event will occur only if ALL input events occur simultaneously

Answer

The top event will occur if ANY one of the input events occurs

Answer

Input events are mutually exclusive and cannot occur at the same time

Answer

The analysis must consider events AND their administrative controls together

Question 3

What is 'residual risk' in the context of risk management?

Accepted Answer

The risk that remains after all feasible controls have been implemented

Answer

The initial risk level before any controls are applied to a hazard

Answer

Risk associated specifically with chemical residues in the workplace environment

Answer

The portion of risk transferred to an insurance company through a policy

Question 4

What does the ALARP principle stand for, and how is it applied in risk management?

Accepted Answer

As Low As Reasonably Practicable — risks should be reduced until further reduction is grossly disproportionate to the benefit

Answer

All Limits Are Regulatory Parameters — used to set OSHA permissible exposure limits

Answer

Approved Limits for Acceptable Risk Parameters — defines maximum allowable injury rates

Answer

Administrative Levels of Acceptable Risk Procedures — OSHA enforcement guideline

Question 5

Which qualitative risk assessment technique uses a visual diagram showing causes on one side and consequences on the other side of a 'tie'?

Accepted Answer

Bow-Tie Diagram

Answer

Fishbone (Ishikawa) Diagram

Answer

Pareto Chart

Answer

Scatter Plot Analysis

Question 6

In Process Hazard Analysis (PHA), which regulation requires PHAs to be conducted for processes involving highly hazardous chemicals above threshold quantities?

Accepted Answer

OSHA 29 CFR 1910.119 — The Process Safety Management standard

Answer

OSHA 29 CFR 1910.147 — The Control of Hazardous Energy standard

Answer

EPA 40 CFR Part 68 — The Risk Management Program rule

Answer

NFPA 654 — Standard for the Prevention of Fire and Dust Explosions

Question 7

When calculating a Risk Priority Number (RPN) in FMEA, which three factors are multiplied together?

Accepted Answer

Severity × Occurrence × Detection

Answer

Probability × Consequence × Exposure

Answer

Likelihood × Impact × Vulnerability

Answer

Frequency × Duration × Number of Workers Exposed