OSHA 30-HOUR (General Industry) Exam Questions
with 100% Correct Answers | Latest Version
(2024/2025) Expert Verified
What..hazards..does..electricity..expose..workers..to?..-.. --..Burns
-..Electrocution
-..Shock
-..Arc..Flash/Arc..Blast
-..Fire
-..Explosions
What..acronym..is..used..for..electrical..hazards?..-..Correct Answer-BE..SAFE
B..-..Burns
E..-..Electrocution
S..-..Shock
A..-..Arc..Flash/Arc..Blast
F..-..Fire
E..-..Explosions
6..Step..Lock..Out/Tag..Out..Procedure..-..Correct Answer-
1)..Plan..&..Prepare..Shutdown
2)..Shut..Down
3)..Isolate..Energy..(de-energize..from..power..source)
,4)..Locks..&..Tags
5)..Discharge/Control..Energy..in..Equipment
6)..Verify..Isolation
What..are..some..of..the..most..common..energized..hazard..sources?..-..Correct
Answer--..Light..Fixtures
-..Improper..Wiring
-..Water
-..Failure..to..Lock..Out/Tag..Out
How..many..workers..each..year..suffer..from..electricity-related..injuries?..-..Correct
Answer-4,000
What..is..Amp/Amperage?..-..Correct Answer-Strength..of..electrical..current
What..is..an..Ohm?..-..Correct Answer-electric..resistance
What..is..electrical..resistance?..-..Correct Answer-
ability..of..material..to..decrease..or..stop..current
GFCIs..-..Correct Answer-Ground..Fault..Circuit..Interrupters
Class..1..Division..1..-..Correct Answer-
Gases..and..vapors..exist..under..normal..conditions,..or..exists..frequently..because..
of..repair..or..maintenance..operations..or..leakage,..or..the..breakdown..or..faulty..op
eration..of..equipment.
, Class..1,..Division..2..-..Correct Answer-
Volatile..flammable..liquids..or..gases..are..handled/used..but..will..be..confined..to..
a..closed..container..breakdown
-..Gases..might..become..hazardous..with..failure..of..ventilating..equipment
Class..2,..Division..1..-..Correct Answer-
Combustible..dust..is..in..the..air..under..normal..operating..conditions
-
..Mechanical..failure..of..machinery..or..equipment..might..cause..such..explosive..or
..ignitable..mixtures..or..quantities
Class..2,..Division..2..-..Correct Answer-
Combustible..dust..will..not..normally..be..suspended..in..the..air..in..quantities..enou
gh..to..produce..an..explosion
-..Dust..may..be..in..air..due..to..malfunctioning..or..handing..of..equipment/process
Class..3,..Division..1..-..Correct Answer-
Location..in..which..easily..ignitable..fibers..or..materials..are..handled,..manufactur
ed,..or..used
Class..3,..Division..2..-..Correct Answer-
Easily..ignitable..fibers/materials..are..stored..or..handled..and..not..in..the..manufac
ture..process
How..often..must..circuit..breaker..GFCIs..be..tested?..-..Correct Answer-Monthly
with 100% Correct Answers | Latest Version
(2024/2025) Expert Verified
What..hazards..does..electricity..expose..workers..to?..-.. --..Burns
-..Electrocution
-..Shock
-..Arc..Flash/Arc..Blast
-..Fire
-..Explosions
What..acronym..is..used..for..electrical..hazards?..-..Correct Answer-BE..SAFE
B..-..Burns
E..-..Electrocution
S..-..Shock
A..-..Arc..Flash/Arc..Blast
F..-..Fire
E..-..Explosions
6..Step..Lock..Out/Tag..Out..Procedure..-..Correct Answer-
1)..Plan..&..Prepare..Shutdown
2)..Shut..Down
3)..Isolate..Energy..(de-energize..from..power..source)
,4)..Locks..&..Tags
5)..Discharge/Control..Energy..in..Equipment
6)..Verify..Isolation
What..are..some..of..the..most..common..energized..hazard..sources?..-..Correct
Answer--..Light..Fixtures
-..Improper..Wiring
-..Water
-..Failure..to..Lock..Out/Tag..Out
How..many..workers..each..year..suffer..from..electricity-related..injuries?..-..Correct
Answer-4,000
What..is..Amp/Amperage?..-..Correct Answer-Strength..of..electrical..current
What..is..an..Ohm?..-..Correct Answer-electric..resistance
What..is..electrical..resistance?..-..Correct Answer-
ability..of..material..to..decrease..or..stop..current
GFCIs..-..Correct Answer-Ground..Fault..Circuit..Interrupters
Class..1..Division..1..-..Correct Answer-
Gases..and..vapors..exist..under..normal..conditions,..or..exists..frequently..because..
of..repair..or..maintenance..operations..or..leakage,..or..the..breakdown..or..faulty..op
eration..of..equipment.
, Class..1,..Division..2..-..Correct Answer-
Volatile..flammable..liquids..or..gases..are..handled/used..but..will..be..confined..to..
a..closed..container..breakdown
-..Gases..might..become..hazardous..with..failure..of..ventilating..equipment
Class..2,..Division..1..-..Correct Answer-
Combustible..dust..is..in..the..air..under..normal..operating..conditions
-
..Mechanical..failure..of..machinery..or..equipment..might..cause..such..explosive..or
..ignitable..mixtures..or..quantities
Class..2,..Division..2..-..Correct Answer-
Combustible..dust..will..not..normally..be..suspended..in..the..air..in..quantities..enou
gh..to..produce..an..explosion
-..Dust..may..be..in..air..due..to..malfunctioning..or..handing..of..equipment/process
Class..3,..Division..1..-..Correct Answer-
Location..in..which..easily..ignitable..fibers..or..materials..are..handled,..manufactur
ed,..or..used
Class..3,..Division..2..-..Correct Answer-
Easily..ignitable..fibers/materials..are..stored..or..handled..and..not..in..the..manufac
ture..process
How..often..must..circuit..breaker..GFCIs..be..tested?..-..Correct Answer-Monthly
