MOT Worker Personal Protective Equipment (PPE) 3

Question 1

Which organization publishes ANSI/ISEA 107, the primary standard for high-visibility safety apparel used in US roadway work zones?

Accepted Answer

ANSI and ISEA jointly

Answer

OSHA exclusively

Answer

FHWA exclusively

Answer

American Traffic Safety Services Association (ATSSA)

Question 2

What is the minimum background material area required for a Class 2 high-visibility garment under ANSI/ISEA 107?

Accepted Answer

775 cm²

Answer

310 cm²

Answer

1,240 cm²

Answer

500 cm²

Question 3

Gloves are typically required for work zone workers to protect against:

Accepted Answer

Cuts, abrasions, and contact with hazardous materials

Answer

High-visibility identification requirements

Answer

Noise-induced hearing loss

Answer

Radiation exposure from traffic signals

Question 4

Under MUTCD guidelines, the high-visibility apparel requirement applies to which workers in a work zone?

Accepted Answer

All workers within the right-of-way who are exposed to traffic

Answer

Only flaggers and spotters

Answer

Equipment operators only

Answer

Workers within 6 feet of travel lanes only

Question 5

Respiratory protection in work zones may be required when workers are exposed to:

Accepted Answer

Dust, silica, asbestos, or other airborne contaminants

Answer

High humidity and summer heat

Answer

Traffic noise above 70 dB(A)

Answer

Bright sunlight and UV radiation

Question 6

A work zone worker notices their high-visibility vest is torn and some retroreflective tape is missing. The correct action is to:

Accepted Answer

Replace it immediately with a compliant garment

Answer

Continue using it until end of the shift

Answer

Tape the torn section and continue use

Answer

Report it to a supervisor at the end of the day

Question 7

Compared to Class 2 and Class 3, what does Class 1 high-visibility apparel provide?

Accepted Answer

Minimum visibility suitable for low-speed, low-traffic-hazard environments

Answer

The greatest visibility under all work zone conditions

Answer

Complete upper-body coverage with redundant reflective strips

Answer

Protection against chemical splashes and spills