CPE Ergonomics Assessment & Analysis 2

Question 1

Which observational tool uses a body-part coding system to record awkward postures during a task cycle?

Accepted Answer

OWAS (Ovako Working Posture Analysis System)

Answer

OWAS categorizes trunk, arm, and leg postures into coded combinations to quantify postural exposure during work.

Question 2

A task analysis reveals a worker lifts a 40-lb box from floor to shoulder height 80 times per shift. Which variable of the Revised NIOSH Lifting Equation would be MOST penalized?

Accepted Answer

Frequency Multiplier (FM)

Answer

High repetition rates reduce the Frequency Multiplier, which directly lowers the Recommended Weight Limit (RWL).

Question 3

In cognitive task analysis, which technique involves asking experts to 'think aloud' while performing a task to capture decision-making processes?

Accepted Answer

Protocol analysis (verbal protocol)

Answer

Protocol analysis captures concurrent verbalization during task performance to reveal cognitive steps and decision points.

Question 4

An ergonomist measures wrist deviation using a electrogoniometer during assembly work. This is an example of which level of exposure assessment?

Accepted Answer

Direct measurement

Answer

Electrogoniometers directly quantify joint angle over time, representing the highest level of objective physical exposure measurement.

Question 5

The REBA (Rapid Entire Body Assessment) tool assigns higher action levels (3-4) based on what outcome?

Accepted Answer

Increasing musculoskeletal risk requiring immediate intervention

Answer

REBA action levels 3-4 indicate high to very high risk, triggering urgent ergonomic intervention recommendations.

(CPE) Certified Professional Ergonomist Practice Test

(CPE) Certified Professional Ergonomist Practice Test

CPE Ergonomics Assessment & Analysis 2