age 1 of 291
CHST EXAM PREP 2025/2026 || QUESTIONS WITH
CORRECT DETAILED ANSWERS || 100%
GUARANTEED PASS <BRAND NEW VERSION>
The displacement of the atmosphere in a permit-required
confined space by a non-combustible gas to such an extent that
the resulting atmosphere is non-combustible is called:
1)Inerting.
2)Stabilizing.
3)Venting.
4)Forced gas venting. .......Answer.........1)Inerting.
Drivers of any size vehicle which transports hazardous materials
that require placarding must pass the pre-trip skills and written
test to obtain a:
,age 2 of 291
1) Class I license.
2) Class II license.
3) CDL.
4) 1 or 2 above .......Answer.........3) CDL.
A truck driver transporting hazardous material must know which
of the following?
1) Rest stops
2) Emergency Fist Aid
3) Nature of cargo
4) CPR .......Answer.........3) Nature of cargo
Common job risk factors for the development of Cumulative
Trauma Disorder (CTD) include all of the following EXCEPT:
,age 3 of 291
1) Excessive force
2) Abnormal postures
3) Mechanical compression
4) Repetition .......Answer.........4) Repetition
The definition of tensile strength on an object or of a material is:
1) The force which distorts it from its original shape.
2) The breaking strength when exposed to tensile force.
3) 1/4 of the sheer strength.
4) The sheer strength cubed. .......Answer.........2) The breaking
strength when exposed to tensile force.
Which part of the body is the main one involved in maintaining
the body's heat balance?
, age 4 of 291
1) Lungs
2) Heart
3) Skin
4) Hair .......Answer.........3) Skin
Acetylene can be described as:
1) Colorless gas with slight garlic-like odor.
2) Pungent, irritating greenish-yellow gas.
3) Faint yellow liquid.
4) White powder, chlorine-like odor. .......Answer.........1)
Colorless gas with slight garlic-like odor.
An instrument that detects a mixture of flammable vapors when
air is passed over a heated electric filament is called:
CHST EXAM PREP 2025/2026 || QUESTIONS WITH
CORRECT DETAILED ANSWERS || 100%
GUARANTEED PASS <BRAND NEW VERSION>
The displacement of the atmosphere in a permit-required
confined space by a non-combustible gas to such an extent that
the resulting atmosphere is non-combustible is called:
1)Inerting.
2)Stabilizing.
3)Venting.
4)Forced gas venting. .......Answer.........1)Inerting.
Drivers of any size vehicle which transports hazardous materials
that require placarding must pass the pre-trip skills and written
test to obtain a:
,age 2 of 291
1) Class I license.
2) Class II license.
3) CDL.
4) 1 or 2 above .......Answer.........3) CDL.
A truck driver transporting hazardous material must know which
of the following?
1) Rest stops
2) Emergency Fist Aid
3) Nature of cargo
4) CPR .......Answer.........3) Nature of cargo
Common job risk factors for the development of Cumulative
Trauma Disorder (CTD) include all of the following EXCEPT:
,age 3 of 291
1) Excessive force
2) Abnormal postures
3) Mechanical compression
4) Repetition .......Answer.........4) Repetition
The definition of tensile strength on an object or of a material is:
1) The force which distorts it from its original shape.
2) The breaking strength when exposed to tensile force.
3) 1/4 of the sheer strength.
4) The sheer strength cubed. .......Answer.........2) The breaking
strength when exposed to tensile force.
Which part of the body is the main one involved in maintaining
the body's heat balance?
, age 4 of 291
1) Lungs
2) Heart
3) Skin
4) Hair .......Answer.........3) Skin
Acetylene can be described as:
1) Colorless gas with slight garlic-like odor.
2) Pungent, irritating greenish-yellow gas.
3) Faint yellow liquid.
4) White powder, chlorine-like odor. .......Answer.........1)
Colorless gas with slight garlic-like odor.
An instrument that detects a mixture of flammable vapors when
air is passed over a heated electric filament is called:
