1/30/25, 2:42 PM Army Electrical Explosive Safety Questions and answers Flashcards | Quizlet
Army Electrical Explosive Safety
Questions and answers
Save
Terms in this set (80)
1. Lightning heats the air to 50,000F.
Which four statements
2. Most lightning never reaches the ground.
are characteristics of
3. Lightning carries about 30,000 amps of current.
lightning?
4. Lightning is about 1'' thick.
Which of the following All lightning strikes the ground.
statements about
lightning is false?
,1/30/25, 2:42 PM Army Electrical Explosive Safety Questions and answers Flashcards | Quizlet
1. Charge form in a cloud.
2. A stepped leader extends down from the cloud.
Place the steps of 3. An upward streamer extends up from the
lightning formation in the ground.
correct order. 4. The stepped leader and upward streamer
connect and current flows from the cloud to the
ground.
The goal of lightning Provide a non-destructive, low resistance path to
protection is to ground.
1. Spalling
Select all the ways
2. Heat or fire
lightning can cause
3. Electromagnetic radiation
damage.
4. Current
Which three regulatory 1. DESR 6055.09
publications are used for 2. DA PAM 385-64
Army explosives 3. NFPA 780
facilities?
If a paragraph in NFPA NFPA 780, Annex A
780 is labeled with an
asterisk, where would
you look to find
additional explanatory
information?
What is primary principle To protect life and property by providing a non-
of lightning protection? destructive, low resistance path to ground.
, 1/30/25, 2:42 PM Army Electrical Explosive Safety Questions and answers Flashcards | Quizlet
Put the LPS components 1. Strike Termination Device
in the order in which the 2. Down Conductor
current flows after a 3. Grounding System
lightning strike.
Mast System
1. Wooden or metal mast
2. Strike termination device on mast
3. Grounding system
Catenary System
Select the LPS system(s) 1. Wooden or metal mast
that require each feature. 2. Strike termination device on mast
3. Wire connecting masts
4. Grounding system
Integral System
1. Air terminals mounted to the building.
2. Grounding system
Which LPS type us used Catenary system
to protect a large, open
area?
What is the zone of The area protected by a lighting protection system.
protection?
Army Electrical Explosive Safety
Questions and answers
Save
Terms in this set (80)
1. Lightning heats the air to 50,000F.
Which four statements
2. Most lightning never reaches the ground.
are characteristics of
3. Lightning carries about 30,000 amps of current.
lightning?
4. Lightning is about 1'' thick.
Which of the following All lightning strikes the ground.
statements about
lightning is false?
,1/30/25, 2:42 PM Army Electrical Explosive Safety Questions and answers Flashcards | Quizlet
1. Charge form in a cloud.
2. A stepped leader extends down from the cloud.
Place the steps of 3. An upward streamer extends up from the
lightning formation in the ground.
correct order. 4. The stepped leader and upward streamer
connect and current flows from the cloud to the
ground.
The goal of lightning Provide a non-destructive, low resistance path to
protection is to ground.
1. Spalling
Select all the ways
2. Heat or fire
lightning can cause
3. Electromagnetic radiation
damage.
4. Current
Which three regulatory 1. DESR 6055.09
publications are used for 2. DA PAM 385-64
Army explosives 3. NFPA 780
facilities?
If a paragraph in NFPA NFPA 780, Annex A
780 is labeled with an
asterisk, where would
you look to find
additional explanatory
information?
What is primary principle To protect life and property by providing a non-
of lightning protection? destructive, low resistance path to ground.
, 1/30/25, 2:42 PM Army Electrical Explosive Safety Questions and answers Flashcards | Quizlet
Put the LPS components 1. Strike Termination Device
in the order in which the 2. Down Conductor
current flows after a 3. Grounding System
lightning strike.
Mast System
1. Wooden or metal mast
2. Strike termination device on mast
3. Grounding system
Catenary System
Select the LPS system(s) 1. Wooden or metal mast
that require each feature. 2. Strike termination device on mast
3. Wire connecting masts
4. Grounding system
Integral System
1. Air terminals mounted to the building.
2. Grounding system
Which LPS type us used Catenary system
to protect a large, open
area?
What is the zone of The area protected by a lighting protection system.
protection?
