NM CID GS-9 Practice Questions - New Mexico CID GS-9 Elevators, Escalators And Conveyors Examination Exam

ASME A17.1-2019 Requirement 6.1.3.5.2 sets which pair of escalator step geometry limits?

Tread depth not less than 400 mm (15.75 in.) and rise between treads not more than 220 mm (8.5 in.) Tread depth not less than 200 mm (8 in.) and rise not more than 300 mm (12 in.) Tread depth of 150 mm (6 in.) and rise of 150 mm (6 in.) No geometry limits if the unit is outdoors

Correct Answer:

Tread depth not less than 400 mm (15.75 in.) and rise between treads not more than 220 mm (8.5 in.)

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