CHST Exam prep 1 Questions and
Answers
Personal protective equipment is very important during welding and cutting operations. Which
of the following statements is most correct concerning the proper shade of filter lens to use
during welding and cutting operations?
a. generally it is best to pi...
B) fire resistant with an impact rating of 75 ft-lbs
C) flame proof with an impact rating of 75 ft-lbs
D) size in metrics - Answer✔✔-We selected answer A because:
The protective identification ANSI code will be legible (printed, stitched, etc.) on one shoe of
each pair. The following is an example of an ANSI code on a piece of protective footwear:
ANSI Z41 PT 91 FI/75 C/75 MT/75 Cd 1 EH
PR
Line #1: ANSI Z41 PT91. This line identifies the ANSI Z41 standard. The letters PT indicates the
protective section of the standard. This is followed by the last two digits of the year of the
standard with which the footwear meets compliance (1991)
Line #2: FI/75 C/75 MT/75. This line identifies the applicable gender (M or F) for which the
footwear is intended. It also identifies the existence of impact resistance (I), the impact
resistance rating (75, 50, or 30 foot- pounds). This line can also include a metatarsal protection
designation (MT) and rating (75, 50, or 30 foot-pounds).
Lines #3 & 4: Cd 1 EH; PR. This area of the label designates conductive properties (Cd) and type
(1 or 2), electrical hazard (EH) and puncture resistance (PR), if applicable.
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