FIREFIGHTER 1 Latest Actual Exam with Verified Questions &
Correct Answers
Question 1.
IDLH
Correct Answer: Immediately dangerous to life and health
Question 2.
STEL
Correct Answer: Short term Exposure limit, What you can be exposed to without
protection within an 8-hour work day/ 40 hour work week
Question 3.
C
Correct Answer: Ceiling (never exceed)
Question 4.
LFL/LEL
Correct Answer: Lower flammable/ explosive limit
Question 5.
UFL/UEL
Correct Answer: Upper flammable/explosive limit
Question 6.
PPM
Correct Answer: Parts Per Million
Question 7.
PPB
Correct Answer: Parts Per Billion
Question 8.
BP
Correct Answer: Boiling Point
, Question 9.
VD/MW
Correct Answer: Vapor Density/ Molecular weight
Question 10.
REl (NIOSH)
Correct Answer: Recommended Exposure limit
Question 11.
PEL (OSHA)
Correct Answer: Permissible Exposure limit
Question 12.
mmHg
Correct Answer: Millimeters Of Mercury
Question 13.
PSI
Correct Answer: Pounds per square inch
Question 14.
ATM
Correct Answer: Atmosphere
Question 15.
14.7 PSI
Correct Answer: Same as 760 mmHg, 1 ATM
Question 16.
Air has a VD of 1
Correct Answer: VD less than 1 are lighter then air. VD greater then is heavier
then air
Question 17.
Water has a spe-
cific gravity (Sp
Gr) of 1
Correct Answers
Question 1.
IDLH
Correct Answer: Immediately dangerous to life and health
Question 2.
STEL
Correct Answer: Short term Exposure limit, What you can be exposed to without
protection within an 8-hour work day/ 40 hour work week
Question 3.
C
Correct Answer: Ceiling (never exceed)
Question 4.
LFL/LEL
Correct Answer: Lower flammable/ explosive limit
Question 5.
UFL/UEL
Correct Answer: Upper flammable/explosive limit
Question 6.
PPM
Correct Answer: Parts Per Million
Question 7.
PPB
Correct Answer: Parts Per Billion
Question 8.
BP
Correct Answer: Boiling Point
, Question 9.
VD/MW
Correct Answer: Vapor Density/ Molecular weight
Question 10.
REl (NIOSH)
Correct Answer: Recommended Exposure limit
Question 11.
PEL (OSHA)
Correct Answer: Permissible Exposure limit
Question 12.
mmHg
Correct Answer: Millimeters Of Mercury
Question 13.
PSI
Correct Answer: Pounds per square inch
Question 14.
ATM
Correct Answer: Atmosphere
Question 15.
14.7 PSI
Correct Answer: Same as 760 mmHg, 1 ATM
Question 16.
Air has a VD of 1
Correct Answer: VD less than 1 are lighter then air. VD greater then is heavier
then air
Question 17.
Water has a spe-
cific gravity (Sp
Gr) of 1