South Carolina Garage Door Installer
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1. What is the primary purpose of a garage door installation permit in
South Carolina?
A. To increase local tax revenue
B. To authorize installation and ensure code compliance
C. To register a business name
D. To verify insurance coverage
B. To authorize installation and ensure code compliance. It ensures
that the garage door installation meets all applicable building codes
and safety standards required by local authorities.
2. According to South Carolina regulations, what minimum gauge is
typically required for commercial garage door tracks?
A. 20
B. 18
C. 16
D. 22
C. 16. A 16-gauge track offers adequate strength and durability for
commercial installations as specified by industry standard and code
guidance.
3. Which of these components is essential for preventing the door from
falling if a torsion spring breaks?
A. Opener
, B. Weather seal
C. Bottom bracket
D. Safety cable
D. Safety cable. A safety cable runs through the spring and prevents
parts from flying or the door from dropping dangerously in a spring
failure.
4. What is the maximum allowable gap between the bottom of an
installed residential garage door and the floor?
A. 2 inches
B. 1 inch
C. 3 inches
D. 0.5 inches
B. 1 inch. Keeping the gap within this limit helps maintain weather
resistance and security per standard building practices.
5. When installing a sectional garage door, what determines the spacing
of the rollers?
A. Manufacturer’s specifications
B. Local ordinance
C. Door color
D. Wind load chart
A. Manufacturer’s specifications. Roller spacing must follow the
manufacturer’s instructions to ensure proper operation and longevity
of the door.
6. A properly installed garage door opener must be equipped with which
safety feature?
A. Remote locking
B. Auto-reverse sensor
C. Manual crank only
D. Timer to close the door
B. Auto-reverse sensor. This feature is required to prevent injury by
reversing the door upon sensing an obstruction.
7. Which type of spring system is most commonly used on residential
steel garage doors?
A. Extension springs
B. Air springs
, C. Hydraulic springs
D. Torsion springs
D. Torsion springs. Torsion springs provide balanced lifting capacity
and are favoured for residential garage doors for safety and
operation.
8. When is a thermal break required in a garage door assembly?
A. Only for commercial buildings
B. When the wall has fire-resistant rating
C. When the door is over 20 feet wide
D. When energy code requires improved insulation
D. When energy code requires improved insulation. Thermal breaks
help reduce heat transfer to meet energy code requirements in
conditioned spaces.
9. What tool should be used to ensure the garage door is level before
final fastening?
A. Tape measure
B. Chalk line
C. Spirit level
D. Plumb bob
C. Spirit level. A spirit level confirms horizontality, which is key to
proper door operation and sealing.
10. South Carolina requires that garage door openers be tested for
what safety aspect upon completion of installation?
A. Speed
B. Noise level
C. Auto-reverse function
D. Aesthetic alignment
C. Auto-reverse function. Testing auto-reverse ensures the door will
stop or reverse when meeting an obstruction, as required by safety
standards.
11. What is the minimum clearance required between the top of
the garage door and the ceiling for a torsion spring system?
A. 8 inches
B. 12 inches
C. 18 inches
License Exam Practice Questions And
Correct Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
1. What is the primary purpose of a garage door installation permit in
South Carolina?
A. To increase local tax revenue
B. To authorize installation and ensure code compliance
C. To register a business name
D. To verify insurance coverage
B. To authorize installation and ensure code compliance. It ensures
that the garage door installation meets all applicable building codes
and safety standards required by local authorities.
2. According to South Carolina regulations, what minimum gauge is
typically required for commercial garage door tracks?
A. 20
B. 18
C. 16
D. 22
C. 16. A 16-gauge track offers adequate strength and durability for
commercial installations as specified by industry standard and code
guidance.
3. Which of these components is essential for preventing the door from
falling if a torsion spring breaks?
A. Opener
, B. Weather seal
C. Bottom bracket
D. Safety cable
D. Safety cable. A safety cable runs through the spring and prevents
parts from flying or the door from dropping dangerously in a spring
failure.
4. What is the maximum allowable gap between the bottom of an
installed residential garage door and the floor?
A. 2 inches
B. 1 inch
C. 3 inches
D. 0.5 inches
B. 1 inch. Keeping the gap within this limit helps maintain weather
resistance and security per standard building practices.
5. When installing a sectional garage door, what determines the spacing
of the rollers?
A. Manufacturer’s specifications
B. Local ordinance
C. Door color
D. Wind load chart
A. Manufacturer’s specifications. Roller spacing must follow the
manufacturer’s instructions to ensure proper operation and longevity
of the door.
6. A properly installed garage door opener must be equipped with which
safety feature?
A. Remote locking
B. Auto-reverse sensor
C. Manual crank only
D. Timer to close the door
B. Auto-reverse sensor. This feature is required to prevent injury by
reversing the door upon sensing an obstruction.
7. Which type of spring system is most commonly used on residential
steel garage doors?
A. Extension springs
B. Air springs
, C. Hydraulic springs
D. Torsion springs
D. Torsion springs. Torsion springs provide balanced lifting capacity
and are favoured for residential garage doors for safety and
operation.
8. When is a thermal break required in a garage door assembly?
A. Only for commercial buildings
B. When the wall has fire-resistant rating
C. When the door is over 20 feet wide
D. When energy code requires improved insulation
D. When energy code requires improved insulation. Thermal breaks
help reduce heat transfer to meet energy code requirements in
conditioned spaces.
9. What tool should be used to ensure the garage door is level before
final fastening?
A. Tape measure
B. Chalk line
C. Spirit level
D. Plumb bob
C. Spirit level. A spirit level confirms horizontality, which is key to
proper door operation and sealing.
10. South Carolina requires that garage door openers be tested for
what safety aspect upon completion of installation?
A. Speed
B. Noise level
C. Auto-reverse function
D. Aesthetic alignment
C. Auto-reverse function. Testing auto-reverse ensures the door will
stop or reverse when meeting an obstruction, as required by safety
standards.
11. What is the minimum clearance required between the top of
the garage door and the ceiling for a torsion spring system?
A. 8 inches
B. 12 inches
C. 18 inches
