PA Mining Law - Sections 251-260 (1)
Practice test questions for the PA Mine Officials' Exam


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Question 3 of 16

3.  There are two levels of audio gas alarms based on the frequency of the beeps and the length of delay between beeps.  Low-level (level-1) - Low frequency beeps with a short delay.

Choices:
  1. True
  2. False


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