IICL Container Inspector’s Exam Study Guide | Shipping Container Inspection Certification
Prep & Practice Questions 2026
Which of the following defects requires repair?
A. A loose door gasket
B. A bent J-bar that does not affect door operation
C. A dent 13mm (1/2 in) deep on the door sill
D. Four dents, each 11mm (7/16 in) deep, on contiguous outboard corrugations of a roof panel
- ANS ✔✔A. A loose door gasket
Of the following conditions in a dry-van container, which one would require cleaning?
A. Raised mud foot prints in excess of what might normally remain after a sweep out
B. Dry dust covering dried floor stains as might normally be found after a sweep out
C. Coffee beans remaining inside the container as might occur after a sweep out
D. Polyurethane beads as might be expected to lodge in grooves between floorboards after a
sweep out - ANS ✔✔C. Coffee beans remaining inside the container as might occur after a
sweep out
An Equipment Interchange Receipt (EIR), based on an inspection with no damage found, can be
evidence of a container's compliance with: A. Australian Timber Component Treatment
Regulations B. Convention for Safe Containers (CSC) regulations through the ACEP Program
C. Transport under custom's seal (TIR) regulations D. International Standards Organization (ISO)
CEDEX codes regulations - ANS ✔✔B. Convention for Safe Containers (CSC) regulations through
the ACEP Program
The top of a replacement plastic ventilator should be centered what distance from the top side
rail? A. 50-55mm (2-2 3/16 in) B. 70-75mm (2 5/8 - 3 in)
C. 100mm (4in) D. 150mm (6 in) - ANS ✔✔A. 50-55mm (2-2 3/16 in)
,When must a reference line extend the full length of a bottom side rail? A. When there are two
or more areas of damage on the bottom side rail B. When there is a sharp bend in the bottom
side rail
C. When there is a bowing over the entire bottom side rail D. When there is additional damage
to the bottom side rail so that the reference line cannot be positioned over the ends of the
damage - ANS ✔✔C. When there is a bowing over the entire bottom side rail
Which of the following is NOT a transverse structural member of the container?
A. Front sill B. Tunnel rail
C. Rear header
D. Crossmember - ANS ✔✔B. Tunnel rail
A steel corner fitting is being replaced. To ensure better weld penetration, IICL recommends that
the edges of parts adjacent to the corner fitting be ground to a minimum bevel of? A. 30
degrees B. 45 degrees
C. 55 degrees D. 60 degrees - ANS ✔✔B. 45 degrees
Which of the following components is sometimes placed longitudinally in the container to
support plywood flooring? A. Transverse bow B. Gusset
C. Hat section center spacer
D. Threshold plate - ANS ✔✔C. Hat section center spacer
Assuming owner and environmental regulations permit, which of the following procedures is
NOT recommended for repairing tarpaulins or open top containers? A. Cleaning the area to be
covered with acetone or mineral spirit B. Using a heat gun to fuse a patch to the tarpaulin C.
Sewing on a patch of the same material as the tarpaulin D. Repairing a 6 mm (1/4 in ) pin hole
with an epoxy compound - ANS ✔✔C. Sewing on a patch of the same material as the tarpaulin
Which of the following is an example of a plank floor condition requiring repair AND which
should be considered as damage?
, A. A crack or split with no evidence of impact, which leaks light
B. A crack or split with a sign of impact which does not leak light
C. A crack or split, adjacent to a dented bottom rail, which leaks light
D. A crack or split, with no evidence of impact, with a loose piece - ANS ✔✔C. A crack or split,
adjacent to a dented bottom rail, which leaks light
Welds to corner fittings should be made with?
A. CO2 semi-automatic welding
B. Low hydrogen welding rods
C. Fully automatic welding
D. Arc welding - ANS ✔✔B. Low hydrogen welding rods
All of the following procedures are required EXCEPT
A. Weld smoke, spatter, etc. must be removed to permit adhesion of paint
B. The damaged component(s) must be restored as close as possible to original size and profile
C. Welds must be examined using radiographic or magnetic particle non-destructive testing
equipment
D. Replacement steel components must be painted with coating compatible with that originally
applied to the container - ANS ✔✔C. Welds must be examined using radiographic or magnetic
particle non-destructive testing equipment
Where should the reference line be placed in order to determine repairworthiness of a
crossmember flange that is bent upwards?
A. Along the inside lower formed edge of the crossmember
B. Spaced out from the crossmember web
C. On the outermost flange surface along the full crossmember length
D. No measurement is necessary - ANS ✔✔D. No measurement is necessary
Prep & Practice Questions 2026
Which of the following defects requires repair?
A. A loose door gasket
B. A bent J-bar that does not affect door operation
C. A dent 13mm (1/2 in) deep on the door sill
D. Four dents, each 11mm (7/16 in) deep, on contiguous outboard corrugations of a roof panel
- ANS ✔✔A. A loose door gasket
Of the following conditions in a dry-van container, which one would require cleaning?
A. Raised mud foot prints in excess of what might normally remain after a sweep out
B. Dry dust covering dried floor stains as might normally be found after a sweep out
C. Coffee beans remaining inside the container as might occur after a sweep out
D. Polyurethane beads as might be expected to lodge in grooves between floorboards after a
sweep out - ANS ✔✔C. Coffee beans remaining inside the container as might occur after a
sweep out
An Equipment Interchange Receipt (EIR), based on an inspection with no damage found, can be
evidence of a container's compliance with: A. Australian Timber Component Treatment
Regulations B. Convention for Safe Containers (CSC) regulations through the ACEP Program
C. Transport under custom's seal (TIR) regulations D. International Standards Organization (ISO)
CEDEX codes regulations - ANS ✔✔B. Convention for Safe Containers (CSC) regulations through
the ACEP Program
The top of a replacement plastic ventilator should be centered what distance from the top side
rail? A. 50-55mm (2-2 3/16 in) B. 70-75mm (2 5/8 - 3 in)
C. 100mm (4in) D. 150mm (6 in) - ANS ✔✔A. 50-55mm (2-2 3/16 in)
,When must a reference line extend the full length of a bottom side rail? A. When there are two
or more areas of damage on the bottom side rail B. When there is a sharp bend in the bottom
side rail
C. When there is a bowing over the entire bottom side rail D. When there is additional damage
to the bottom side rail so that the reference line cannot be positioned over the ends of the
damage - ANS ✔✔C. When there is a bowing over the entire bottom side rail
Which of the following is NOT a transverse structural member of the container?
A. Front sill B. Tunnel rail
C. Rear header
D. Crossmember - ANS ✔✔B. Tunnel rail
A steel corner fitting is being replaced. To ensure better weld penetration, IICL recommends that
the edges of parts adjacent to the corner fitting be ground to a minimum bevel of? A. 30
degrees B. 45 degrees
C. 55 degrees D. 60 degrees - ANS ✔✔B. 45 degrees
Which of the following components is sometimes placed longitudinally in the container to
support plywood flooring? A. Transverse bow B. Gusset
C. Hat section center spacer
D. Threshold plate - ANS ✔✔C. Hat section center spacer
Assuming owner and environmental regulations permit, which of the following procedures is
NOT recommended for repairing tarpaulins or open top containers? A. Cleaning the area to be
covered with acetone or mineral spirit B. Using a heat gun to fuse a patch to the tarpaulin C.
Sewing on a patch of the same material as the tarpaulin D. Repairing a 6 mm (1/4 in ) pin hole
with an epoxy compound - ANS ✔✔C. Sewing on a patch of the same material as the tarpaulin
Which of the following is an example of a plank floor condition requiring repair AND which
should be considered as damage?
, A. A crack or split with no evidence of impact, which leaks light
B. A crack or split with a sign of impact which does not leak light
C. A crack or split, adjacent to a dented bottom rail, which leaks light
D. A crack or split, with no evidence of impact, with a loose piece - ANS ✔✔C. A crack or split,
adjacent to a dented bottom rail, which leaks light
Welds to corner fittings should be made with?
A. CO2 semi-automatic welding
B. Low hydrogen welding rods
C. Fully automatic welding
D. Arc welding - ANS ✔✔B. Low hydrogen welding rods
All of the following procedures are required EXCEPT
A. Weld smoke, spatter, etc. must be removed to permit adhesion of paint
B. The damaged component(s) must be restored as close as possible to original size and profile
C. Welds must be examined using radiographic or magnetic particle non-destructive testing
equipment
D. Replacement steel components must be painted with coating compatible with that originally
applied to the container - ANS ✔✔C. Welds must be examined using radiographic or magnetic
particle non-destructive testing equipment
Where should the reference line be placed in order to determine repairworthiness of a
crossmember flange that is bent upwards?
A. Along the inside lower formed edge of the crossmember
B. Spaced out from the crossmember web
C. On the outermost flange surface along the full crossmember length
D. No measurement is necessary - ANS ✔✔D. No measurement is necessary
