South Carolina Laboratory Casework
Installer Certification License Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. In South Carolina, what is the minimum required thickness for
casework countertops in a laboratory setting to ensure chemical
resistance and durability?
A. 3/4 inch
B. 1 1/4 inch
C. 2 inches
D. 1/2 inch
Correct rationale: Laboratory worktops require increased thickness (1
1/4 inch) for heightened structural integrity and resistance to
chemical spills in compliance with state guidelines.
2. According to South Carolina code requirements, which material is
generally considered acceptable for laboratory casework
construction due to its chemical resistance?
A. Particleboard with veneer
B. Oak hardwood
C. Chemical-resistant phenolic resin
D. Laminate over MDF
Correct rationale: Phenolic resin is specified for its superior resistance
, to corrosive chemicals commonly used in labs, meeting state
certification standards.
3. When installing laboratory sinks, what is the required minimum
slope of the sink drain to ensure proper drainage as per South
Carolina regulations?
A. 1/8 inch per foot
B. 1/2 inch per foot
C. 1/4 inch per foot
D. Level (no slope)
Correct rationale: A 1/4 inch per foot slope ensures efficient drainage
and prevents standing water, which is a key requirement in
laboratory plumbing installations.
4. Which of the following OSHA standards must installers consider
when designing emergency eyewash and shower locations within
laboratory casework layouts?
A. 1910.1450(b)
B. 1910.151(c)
C. 1926.501
D. 1910.134
Correct rationale: OSHA standard 1910.151(c) directly addresses
emergency eyewash and shower requirements, ensuring safety
provisions are properly integrated into lab design.
5. In South Carolina, what is the minimum clearance required between
a laboratory bench and the bottom of overhead cabinets?
A. 18 inches
B. 12 inches
C. 24 inches
D. 15 inches
Correct rationale: An 18-inch clearance ensures adequate workspace
, and reduces hazards by allowing sufficient vertical space for lab tasks
and equipment.
6. Which fastener type is most appropriate for securing
chemical-resistant casework to concrete block walls in a lab?
A. Drywall anchors
B. Plastic expansion anchors
C. Masonry anchors (wedge anchors)
D. Wood screws
Correct rationale: Masonry anchors provide robust support in
concrete block, essential for heavy lab casework and compliance with
structural guidelines.
7. South Carolina’s code requires that ventilation hoods associated with
casework must maintain a minimum face velocity of:
A. 50 fpm
B. 75 fpm
C. 100 fpm
D. 150 fpm
Correct rationale: A face velocity of 100 feet per minute is the widely
accepted standard to ensure contaminants are properly captured.
8. Which finish is required on laboratory casework to resist wear,
moisture, and chemical exposure?
A. Untreated wood
B. High-pressure laminate with resin core
C. Paint finish
D. Waxed veneer
Correct rationale: High-pressure laminate with a resin core is
specified due to its durability and resistance to chemicals in the lab
environment.
Installer Certification License Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. In South Carolina, what is the minimum required thickness for
casework countertops in a laboratory setting to ensure chemical
resistance and durability?
A. 3/4 inch
B. 1 1/4 inch
C. 2 inches
D. 1/2 inch
Correct rationale: Laboratory worktops require increased thickness (1
1/4 inch) for heightened structural integrity and resistance to
chemical spills in compliance with state guidelines.
2. According to South Carolina code requirements, which material is
generally considered acceptable for laboratory casework
construction due to its chemical resistance?
A. Particleboard with veneer
B. Oak hardwood
C. Chemical-resistant phenolic resin
D. Laminate over MDF
Correct rationale: Phenolic resin is specified for its superior resistance
, to corrosive chemicals commonly used in labs, meeting state
certification standards.
3. When installing laboratory sinks, what is the required minimum
slope of the sink drain to ensure proper drainage as per South
Carolina regulations?
A. 1/8 inch per foot
B. 1/2 inch per foot
C. 1/4 inch per foot
D. Level (no slope)
Correct rationale: A 1/4 inch per foot slope ensures efficient drainage
and prevents standing water, which is a key requirement in
laboratory plumbing installations.
4. Which of the following OSHA standards must installers consider
when designing emergency eyewash and shower locations within
laboratory casework layouts?
A. 1910.1450(b)
B. 1910.151(c)
C. 1926.501
D. 1910.134
Correct rationale: OSHA standard 1910.151(c) directly addresses
emergency eyewash and shower requirements, ensuring safety
provisions are properly integrated into lab design.
5. In South Carolina, what is the minimum clearance required between
a laboratory bench and the bottom of overhead cabinets?
A. 18 inches
B. 12 inches
C. 24 inches
D. 15 inches
Correct rationale: An 18-inch clearance ensures adequate workspace
, and reduces hazards by allowing sufficient vertical space for lab tasks
and equipment.
6. Which fastener type is most appropriate for securing
chemical-resistant casework to concrete block walls in a lab?
A. Drywall anchors
B. Plastic expansion anchors
C. Masonry anchors (wedge anchors)
D. Wood screws
Correct rationale: Masonry anchors provide robust support in
concrete block, essential for heavy lab casework and compliance with
structural guidelines.
7. South Carolina’s code requires that ventilation hoods associated with
casework must maintain a minimum face velocity of:
A. 50 fpm
B. 75 fpm
C. 100 fpm
D. 150 fpm
Correct rationale: A face velocity of 100 feet per minute is the widely
accepted standard to ensure contaminants are properly captured.
8. Which finish is required on laboratory casework to resist wear,
moisture, and chemical exposure?
A. Untreated wood
B. High-pressure laminate with resin core
C. Paint finish
D. Waxed veneer
Correct rationale: High-pressure laminate with a resin core is
specified due to its durability and resistance to chemicals in the lab
environment.
