TCFP INSPECTORS 2025/2026 QUESTIONS WITH ANSWERS
TAGGED A+
✔✔The agency that regulates the transportation of compressed and liquefied gases is
the:
A. U.S. Department of Transportation (DOT).
B. Petroleum Tank Institute (PTI).
C. National Transportation and Safety Board (NTSB).
D. Environmental Protection Agency (EPA). - ✔✔A. U.S. Department of Transportation
(DOT).
✔✔The ratio of the weight of a liquid to an equal volume of water is:
A. specific density.
B. vapor density.
C. specific gravity.
D. vapor pressure. - ✔✔C. specific gravity.
✔✔The temperature at which the vapor pressure of a liquid is equal to the external
pressure applied to it, is its:
A. BLEVE.
B. melting point.
C. flash point.
D. boiling point. - ✔✔D. boiling point.
✔✔What is a combustible liquid?
A. A liquid with a flash point at or above
100°F
B. A liquid with a boiling point less than
30°F
C. A liquid that will decompose or become
self-reactive under conditions of shock
or pressure
D. A liquid having a flash point below
100°F and having a vapor pressure
not exceeding 40 psi absolute - ✔✔A. A liquid with a flash point at or above 100°F
✔✔What is a flammable liquid?
A. A liquid with a flash point at or above
100°F
B. A liquid with a boiling point less than
,30°F
C. A liquid that will decompose or become
self-reactive under conditions of shock
or pressure
D. A liquid having a flash point below
100°F and having a vapor pressure
not exceeding 40 psi absolute - ✔✔D. A liquid having a flash point below 100°F and
having a vapor pressure not exceeding 40 psi absolute
✔✔What is specific gravity?
A. A liquid having a flash point below
100°F and having a vapor pressure not
exceeding 40 psi absolute
B. A liquid having a flash point at or
above 100°F
C. The temperature at which the vapor
pressure of a liquid is equal to the
external pressure applied to it
D. The ratio of the weight of a liquid to an
equal volume of water
E. A liquid having a flash point at or
above 100° - ✔✔D. The ratio of the weight of a liquid to an equal volume of water
✔✔What is boiling point?
A. A liquid having a flash point below
100°F and having a vapor pressure not
exceeding 40 psi absolute
B. A liquid having a flash point at or
above 100°F
C. The temperature at which the vapor
pressure of a liquid is equal to the
external pressure applied to it
D. The ratio of the weight of a liquid to an
equal volume of water
E. A liquid having a flash point at or
above 100° - ✔✔C. The temperature at which the vapor pressure of a liquid is equal to
the external pressure applied to it
✔✔Inside flammable or combustible liquid storage tanks greater than 660 gallons are
required to be enclosed in fire resistive construction of __________ hour(s) according to
the National Fire Protection Association (NFPA).
A. 13
B. 15-I
, C. 2
D. 3 - ✔✔D. 3
✔✔Read the following three statements and select your answer from
alternatives A-D.
1. Gamma radiation is the most difficult form of radiation to shield.
2. Beta particles can usually be stopped with a thin piece of sheet metal.
3. Alpha penetrates brick walls.
A. Statements 1 and 2 are true; statement 3 is false.
B. Statement 1 is true; statements 2 and 3 are false.
C. Statement 1 is false; statements 2 and 3 are true.
D.Statements 1 and 3 are true; statement 2 is false. - ✔✔A. Statements 1 and 2 are
true; statement 3 is false.
✔✔When storing compressed and liquefied gasses, the following are all safety
precautions to prevent ignition sources and fire except:
A. absolutely no smoking.
B. adequate ventilation is installed to prevent accumulation of flammable gas vapors.
C. stored cylinders are secured so they cannot be accidentally knocked over.
D. cylinders shall be purged, once empty. - ✔✔D. cylinders shall be purged, once
empty.
✔✔Compressed and liquefied gas cylinders should be stored in:
A. wet, cool locations.
B. designed rooms which are safe, dry, and well ventilated.
C. sheds with uneven fireproof floors.
D. outside open areas without protection from adverse weather conditions. - ✔✔B.
designed rooms which are safe, dry, and well ventilated.
✔✔When transferring flammable or toxic gases from bulk storage tanks to smaller
cylinders, which of the following should not apply?
A. Make sure smaller cylinders are in good condition.
B. Make sure the smaller cylinders are properly labeled for the product.
C. The loading or transfer hose should be properly maintained and checked for leaks.
D. Bonding between tanks is always required. - ✔✔D. Bonding between tanks is always
required.
✔✔Standards governing the classification and marking of hazardous materials are
published in NFPA Standard:
TAGGED A+
✔✔The agency that regulates the transportation of compressed and liquefied gases is
the:
A. U.S. Department of Transportation (DOT).
B. Petroleum Tank Institute (PTI).
C. National Transportation and Safety Board (NTSB).
D. Environmental Protection Agency (EPA). - ✔✔A. U.S. Department of Transportation
(DOT).
✔✔The ratio of the weight of a liquid to an equal volume of water is:
A. specific density.
B. vapor density.
C. specific gravity.
D. vapor pressure. - ✔✔C. specific gravity.
✔✔The temperature at which the vapor pressure of a liquid is equal to the external
pressure applied to it, is its:
A. BLEVE.
B. melting point.
C. flash point.
D. boiling point. - ✔✔D. boiling point.
✔✔What is a combustible liquid?
A. A liquid with a flash point at or above
100°F
B. A liquid with a boiling point less than
30°F
C. A liquid that will decompose or become
self-reactive under conditions of shock
or pressure
D. A liquid having a flash point below
100°F and having a vapor pressure
not exceeding 40 psi absolute - ✔✔A. A liquid with a flash point at or above 100°F
✔✔What is a flammable liquid?
A. A liquid with a flash point at or above
100°F
B. A liquid with a boiling point less than
,30°F
C. A liquid that will decompose or become
self-reactive under conditions of shock
or pressure
D. A liquid having a flash point below
100°F and having a vapor pressure
not exceeding 40 psi absolute - ✔✔D. A liquid having a flash point below 100°F and
having a vapor pressure not exceeding 40 psi absolute
✔✔What is specific gravity?
A. A liquid having a flash point below
100°F and having a vapor pressure not
exceeding 40 psi absolute
B. A liquid having a flash point at or
above 100°F
C. The temperature at which the vapor
pressure of a liquid is equal to the
external pressure applied to it
D. The ratio of the weight of a liquid to an
equal volume of water
E. A liquid having a flash point at or
above 100° - ✔✔D. The ratio of the weight of a liquid to an equal volume of water
✔✔What is boiling point?
A. A liquid having a flash point below
100°F and having a vapor pressure not
exceeding 40 psi absolute
B. A liquid having a flash point at or
above 100°F
C. The temperature at which the vapor
pressure of a liquid is equal to the
external pressure applied to it
D. The ratio of the weight of a liquid to an
equal volume of water
E. A liquid having a flash point at or
above 100° - ✔✔C. The temperature at which the vapor pressure of a liquid is equal to
the external pressure applied to it
✔✔Inside flammable or combustible liquid storage tanks greater than 660 gallons are
required to be enclosed in fire resistive construction of __________ hour(s) according to
the National Fire Protection Association (NFPA).
A. 13
B. 15-I
, C. 2
D. 3 - ✔✔D. 3
✔✔Read the following three statements and select your answer from
alternatives A-D.
1. Gamma radiation is the most difficult form of radiation to shield.
2. Beta particles can usually be stopped with a thin piece of sheet metal.
3. Alpha penetrates brick walls.
A. Statements 1 and 2 are true; statement 3 is false.
B. Statement 1 is true; statements 2 and 3 are false.
C. Statement 1 is false; statements 2 and 3 are true.
D.Statements 1 and 3 are true; statement 2 is false. - ✔✔A. Statements 1 and 2 are
true; statement 3 is false.
✔✔When storing compressed and liquefied gasses, the following are all safety
precautions to prevent ignition sources and fire except:
A. absolutely no smoking.
B. adequate ventilation is installed to prevent accumulation of flammable gas vapors.
C. stored cylinders are secured so they cannot be accidentally knocked over.
D. cylinders shall be purged, once empty. - ✔✔D. cylinders shall be purged, once
empty.
✔✔Compressed and liquefied gas cylinders should be stored in:
A. wet, cool locations.
B. designed rooms which are safe, dry, and well ventilated.
C. sheds with uneven fireproof floors.
D. outside open areas without protection from adverse weather conditions. - ✔✔B.
designed rooms which are safe, dry, and well ventilated.
✔✔When transferring flammable or toxic gases from bulk storage tanks to smaller
cylinders, which of the following should not apply?
A. Make sure smaller cylinders are in good condition.
B. Make sure the smaller cylinders are properly labeled for the product.
C. The loading or transfer hose should be properly maintained and checked for leaks.
D. Bonding between tanks is always required. - ✔✔D. Bonding between tanks is always
required.
✔✔Standards governing the classification and marking of hazardous materials are
published in NFPA Standard: