SHS Risk Assessment & Hazard Control 2

Question 1

Which risk assessment methodology assigns numerical scores to likelihood and severity to produce a risk priority number (RPN)?

Accepted Answer

Failure Mode and Effects Analysis (FMEA)

Answer

FMEA calculates an RPN by multiplying severity, occurrence, and detectability scores to prioritize corrective actions.

Question 2

Under OSHA's hierarchy of controls, substitution is defined as:

Accepted Answer

Replacing a hazardous substance with a less hazardous one

Answer

Substitution involves replacing a hazardous material, process, or equipment with a safer alternative.

Question 3

A 'residual risk' is best described as:

Accepted Answer

The risk remaining after all controls have been implemented

Answer

Residual risk is the level of risk that persists even after all feasible control measures have been put in place.

Question 4

Which document is used during a Job Hazard Analysis to record each task step, associated hazards, and recommended controls?

Accepted Answer

JHA worksheet

Answer

A JHA worksheet systematically breaks a job into steps, identifies hazards at each step, and documents preventive measures.

Question 5

The 'bowtie' risk model visually represents:

Accepted Answer

Causes on the left, the top event in the center, and consequences on the right

Answer

The bowtie model places the hazardous event in the center, with threats/causes branching left and consequences branching right.

(SHS) Safety and Health Specialist Certificate Practice Test