Army Electrical Explosive Safety Module 1:
Lightning Basics Exam UPDATED
QUESTIONS AND CORRECT ANSWERS
Which 4 statements are characteristics of lightning - CORRECT ANSWER Lightning
heats the air to 50,000 F
Most lightning never reaches the ground
Lightning carries about 30,000 amps of current
Lightning is about 1" thick
Which of the following statements about lightning if false - CORRECT ANSWER All
lightning strikes tyhe ground
Place the steps of lightning formation in order - CORRECT ANSWER Charge forms in
a cloud
A stepped leader extends down from the cloud
An upward streamer extends up from the ground
The stepped leader and upward streamer connect and current flows from cloud to ground
The goal of lightning protection is to - CORRECT ANSWER provide a non destructive
low resistance path to ground
Select all the ways lightning can cause damage - CORRECT ANSWER Spalling
Heat or fire
Electromagnetic radiation
Current
Which 3 regulatory publications are used for Army explosives facility - CORRECT
ANSWER DESR 6055.09
DA PAM 385-64
Lightning Basics Exam UPDATED
QUESTIONS AND CORRECT ANSWERS
Which 4 statements are characteristics of lightning - CORRECT ANSWER Lightning
heats the air to 50,000 F
Most lightning never reaches the ground
Lightning carries about 30,000 amps of current
Lightning is about 1" thick
Which of the following statements about lightning if false - CORRECT ANSWER All
lightning strikes tyhe ground
Place the steps of lightning formation in order - CORRECT ANSWER Charge forms in
a cloud
A stepped leader extends down from the cloud
An upward streamer extends up from the ground
The stepped leader and upward streamer connect and current flows from cloud to ground
The goal of lightning protection is to - CORRECT ANSWER provide a non destructive
low resistance path to ground
Select all the ways lightning can cause damage - CORRECT ANSWER Spalling
Heat or fire
Electromagnetic radiation
Current
Which 3 regulatory publications are used for Army explosives facility - CORRECT
ANSWER DESR 6055.09
DA PAM 385-64
