MOT Worker Personal Protective Equipment (PPE) 1 — Questions and Answers
Question 1: According to FHWA guidelines, workers exposed to traffic in highway work zones must wear at minimum what ANSI/ISEA 107 performance class?
- Class 1
- Class 2 (Correct answer)
- Class 3
- Class 4
Correct answer: Class 2
FHWA requires a minimum of Class 2 high-visibility apparel for workers directly exposed to traffic in highway work zones.
Question 2: Which colors are approved for the background material of high-visibility safety apparel under ANSI/ISEA 107?
- Red and white
- Fluorescent yellow-green and fluorescent orange-red (Correct answer)
- White and yellow
- Blue and green
Correct answer: Fluorescent yellow-green and fluorescent orange-red
ANSI/ISEA 107 approves fluorescent yellow-green and fluorescent orange-red as background material colors for high-visibility apparel.
Question 3: Under ANSI/ISEA 107, which garment TYPE designation is specifically designed for workers exposed to roadway traffic?
- Type O
- Type R (Correct answer)
- Type P
- Type H
Correct answer: Type R
Type R (Roadway) garments are designed for workers exposed to roadway traffic and require a minimum Class 2 performance level.
Question 4: What is the minimum ANSI/ISEA 107 class required for flaggers directing traffic in a work zone per MUTCD requirements?
- Class 1
- Class 2 (Correct answer)
- Class 3
- Any class approved by the employer
Correct answer: Class 2
The MUTCD requires flaggers to wear at least Class 2 high-visibility apparel because they are directly exposed to vehicular traffic.
Question 5: Hard hats used in highway work zones must comply with which ANSI standard?
- ANSI Z87.1
- ANSI Z89.1 (Correct answer)
- ANSI Z41.1
- ANSI Z359.1
Correct answer: ANSI Z89.1
ANSI Z89.1 establishes the performance requirements for industrial head protection (hard hats) used in occupational environments including work zones.
Question 6: Which class of high-visibility apparel provides the greatest visibility in complex backgrounds and high-hazard environments?
- Class 1
- Class 2
- Class 3 (Correct answer)
- Class 2-Enhanced
Correct answer: Class 3
Class 3 provides the highest level of visibility with the greatest area of background and retroreflective material, designed for the most hazardous traffic conditions.
Question 7: At what noise exposure level does OSHA require workers to use hearing protection in work zones?
- 75 dB(A) over 8 hours
- 85 dB(A) over 8 hours (Correct answer)
- 90 dB(A) over 8 hours
- 95 dB(A) over 8 hours
Correct answer: 85 dB(A) over 8 hours
OSHA's noise standard requires hearing protection when workers are exposed to 85 dB(A) or more averaged over an 8-hour work shift (the action level).
MOT Worker Personal Protective Equipment (PPE) 1
According to FHWA guidelines, workers exposed to traffic in highway work zones must wear at minimum what ANSI/ISEA 107 performance class?