NSC Personal Protective Equipment 2

Question 1

When selecting gloves for protection against chemical hazards, what is the most important factor to consider?

Accepted Answer

The chemical compatibility of the glove material with the specific substance

Answer

The color and thickness of the glove material

Answer

The country of manufacture and brand reputation

Answer

Whether the gloves are reusable or disposable

Question 2

ANSI/ISEA Z41 (now ASTM F2413) governs which category of personal protective equipment?

Accepted Answer

Safety footwear including toe protection

Answer

Protective helmets and hard hats

Answer

High-visibility safety apparel

Answer

Respiratory protective devices

Question 3

A full-body harness used in a personal fall arrest system must be inspected by a competent person:

Accepted Answer

Before each use and after any fall event

Answer

Once per year only, during a scheduled safety audit

Answer

Every five years or after any fall event, whichever comes first

Answer

Only when the manufacturer recommends replacement

Question 4

Which OSHA standard requires that employees who use tight-fitting respirators pass a fit test before using the respirator in the workplace?

Accepted Answer

29 CFR 1910.134 – Respiratory Protection

Answer

29 CFR 1910.95 – Occupational Noise Exposure

Answer

29 CFR 1910.138 – Hand Protection

Answer

29 CFR 1910.132 – General PPE Requirements

Question 5

High-visibility safety apparel (HVSA) is classified under ANSI/ISEA 107. Which class is required for workers exposed to high-speed traffic environments such as highway construction zones?

Accepted Answer

Class 3 — highest visibility for high-risk environments

Answer

Class 1 — minimal risk environment

Answer

Class 2 — significant risk with moderate traffic

Answer

Class 0 — reflective vest for low-light only

Question 6

What distinguishes a Type I hard hat from a Type II hard hat?

Accepted Answer

Type I only reduces force on the top of the head; Type II also protects the sides

Answer

Type I protects against electrical hazards; Type II does not

Answer

Type I is reusable; Type II is single-use only

Answer

Type I is for indoor use only; Type II is rated for outdoor environments

Question 7

When using a combination of hearing protectors (earplugs and earmuffs together), how is the effective NRR calculated?

Accepted Answer

Add 5 dB to the higher NRR rather than adding both values together

Answer

The two NRR values are added together for a combined total

Answer

The higher NRR device is used alone and the other is ignored

Answer

Multiply the two NRR values to determine combined protection