ARMY ELECTRICAL EXPLOSIVES SAFETY AMMO28 EXAM 135 QUESTIONS AND

ARMY ELECTRICAL EXPLOSIVES SAFETY (AMMO28) EXAM 135 QUESTIONS AND ( ANSWERS)

ARMY ELECTRICAL EXPLOSIVES SAFETY (AMMO28) EXAM 2026-2027 135

QUESTIONS AND CORRECT DETAILED ANSWERS

WITH RATIONALES ( ANSWERS)

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 electrodeto-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 dust

Which 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

WRONG generation of extreme heat in the human body

For guidance on lightning protection requirements, you use AFI

32-1065 and - ANSWER- NFPA 780

You need to inspect an LPS that has vertical poles connected to

overhead cables that stretch the length of the structure. What

type of LPS does this describe? - ANSWER- catenary

How many feet radius does the DoD require for an LPS zone of

protection? - ANSWER- 100ft

While conducting an LPS inspection, you discover the scenario

illust in the image below. Do you write it up as a

discrepancy? - ANSWER- yes, because the air terminal is not

attached to a conductor.

While conducting an LPS inspection, you see down conductors

like those illust in the image below. Do you write it up as a

discrepancy? - ANSWER- yes, because mast down conductors

should be 180 degrees apart

How many inches should the tip of an air terminal be above the

object or area it protects? - ANSWER- WRONG 24

WRONG 18

A 30-foot building has a metal light fixture located 23 feet from

the ground. Which condition is used to determine if the light

fixture must be bonded to the LPS? Refer to the bonding job aid

as required. - ANSWER- condition 2a(2)