At a minimum, how many individual resistance tests must be performed on this conductive floor? Refer to DA PAM 385-64, Section C-3 as required. - ANSWER-- Ten tests: five electrode-to-electrode and five electrode-to-ground tests An LPS requires three-point fall-of-potential earth resistance testing every - ANSWER--Every 24 months When conducting a 3-point fall-of-potential earth resistance test, what is the maximum allowable resistance reading? - ANSWER--25 ohms When conducting a bonding resistance test, what is the maximum allowable reading? - ANSWER--1 ohm How many individual bonding resistance tests are required on an integral LPS with 12 air terminals and 2 down conductors? - ANSWER--24 Which storm warning system measures the strength of atmospheric electric fields and warns of the possibility of lightning strikes? - ANSWER--Pre-strike Which hazardous classified location division poses the least probability of ignition or explosion? - ANSWER--Division 2 Which material belongs to hazardous classified location Class II? - ANSWER--coal dustWhich material belongs to hazardous classified location Class I? - ANSWER-- acetylene gas Which HERO classification describes items that may explode or detonate if exposed to EMR? - ANSWER--HERO UNSAFE Which of the following is NOT a hazard posed by electromagnetic radiation? - ANSWER--WRONG ignition of fuel and other combustibles