CON 202 EXAM 1 | PRACTICE QUESTIONS AND ANSWERS
2026/2027 | COMPLETE QUESTIONS AND ANSWERS (VERIFIED
ANSWERS) | EXAM PREP | COMPREHENSIVE EXAM GUIDE
2026&2027
1. Which measurement is most important when determining the appropriate rough
opening for a replacement window?
A. The finished drywall thickness only
B. The manufacturer's specified rough-opening dimensions
C. The exterior siding thickness
D. The interior paint thickness
Answer: B
The manufacturer's specified rough-opening dimensions provide the basis for properly fitting
and installing the window while allowing the required tolerances.
2. A contractor is selecting drywall for installation in a bathroom where regular exposure
to moisture is expected. Which material is most appropriate?
A. Standard interior drywall
B. Exterior plywood only
C. Moisture-resistant gypsum board appropriate for the application
D. Untreated fiberboard
Answer: C
Moisture-resistant gypsum products are designed for areas where humidity and incidental
moisture are greater than in ordinary dry interior spaces.
3. What is the primary purpose of fireblocking in a framed wall assembly?
A. To slow the spread of fire and smoke through concealed spaces
B. To increase the decorative value of the wall
C. To reduce the weight of the wall
D. To eliminate the need for structural framing
Answer: A
Fireblocking interrupts concealed pathways within framing cavities, helping limit the
movement of fire and smoke.
4. Which framing members commonly establish the sides and top of a rough floor opening?
,A. Rafters and collar ties
B. Studs and plates
C. Joists and rim boards only
D. Trimmers and headers
Answer: D
Trimmers support the sides of an opening, while headers transfer loads around the opening.
5. A contractor needs information about the required rough-in dimensions for an
aluminum-clad wood window. Which source should be consulted first?
A. The manufacturer's installation information
B. A generic framing textbook
C. The paint manufacturer's catalog
D. The flooring supplier
Answer: A
The window manufacturer provides product-specific rough-opening, installation, flashing, and
fastening requirements.
6. What does an R-value primarily describe in building construction?
A. Resistance to electrical current
B. Resistance to heat flow
C. Resistance to water pressure
D. Resistance to structural bending
Answer: B
R-value expresses thermal resistance; higher resistance generally means less heat transfer
through the insulation assembly.
7. A gutter downspout discharges directly against the foundation wall. What is the most
appropriate corrective action?
A. Reduce the gutter slope
B. Remove the downspout
C. Provide a suitable discharge or extension that directs water away from the foundation
D. Seal the gutter opening with roofing cement
Answer: C
Water should be directed away from the foundation so that concentrated runoff does not
contribute to moisture intrusion or drainage problems.
,8. Which copper tubing type is commonly used in residential plumbing applications where
local requirements permit it?
A. Type M
B. Type X
C. Type Z
D. Type Q
Answer: A
Type M copper tubing is commonly used in residential water-distribution applications where
permitted by the applicable plumbing requirements.
9. What is the principal purpose of a header over a framed opening?
A. To provide decorative trim
B. To support and redistribute loads around the opening
C. To provide insulation
D. To provide ventilation
Answer: B
A header carries loads that would otherwise bear on the opening and transfers those loads to
supporting framing members.
10. A contractor discovers that a planned structural opening does not match the approved
drawings. What should happen before modifying the framing?
A. The opening should be enlarged immediately
B. The drywall installer should decide
C. The discrepancy should be reviewed and resolved through the appropriate design or
supervisory process
D. The contractor should ignore the drawings
Answer: C
Structural modifications should be based on approved information because an unauthorized
change can compromise the design and create liability.
11. What is the primary function of flashing around a window installation?
A. To prevent water from entering the wall assembly
B. To increase glass thickness
C. To reduce electrical consumption
D. To replace structural framing
, Answer: A
Proper flashing manages water at vulnerable transitions and directs it toward the exterior
rather than into the wall assembly.
12. When installing drywall sheets, why should joints be properly supported and fastened?
A. To increase paint gloss
B. To reduce ceiling height
C. To prevent all thermal movement
D. To reduce cracking and maintain a stable finished surface
Answer: D
Adequate support and fastening help maintain panel stability and reduce movement-related
cracking or joint failure.
13. A worker is cutting lumber with a power saw. Which action best reflects safe operating
practice?
A. Remove the guard for easier cutting
B. Keep hands clear of the blade path and use required guarding
C. Hold the workpiece against the blade with one hand
D. Disable the emergency controls
Answer: B
Keeping hands away from the cutting path and maintaining required guards are fundamental
power-tool safety practices.
14. What is the purpose of a sill pan or comparable sill-flashing system beneath a window?
A. To increase glass strength
B. To support the roof
C. To collect and direct incidental water toward the exterior
D. To replace the window frame
Answer: C
A properly installed sill-flashing system helps manage water that reaches the sill area and
directs it outward.
15. Which factor should receive priority when selecting a roofing material for a particular
project?
2026/2027 | COMPLETE QUESTIONS AND ANSWERS (VERIFIED
ANSWERS) | EXAM PREP | COMPREHENSIVE EXAM GUIDE
2026&2027
1. Which measurement is most important when determining the appropriate rough
opening for a replacement window?
A. The finished drywall thickness only
B. The manufacturer's specified rough-opening dimensions
C. The exterior siding thickness
D. The interior paint thickness
Answer: B
The manufacturer's specified rough-opening dimensions provide the basis for properly fitting
and installing the window while allowing the required tolerances.
2. A contractor is selecting drywall for installation in a bathroom where regular exposure
to moisture is expected. Which material is most appropriate?
A. Standard interior drywall
B. Exterior plywood only
C. Moisture-resistant gypsum board appropriate for the application
D. Untreated fiberboard
Answer: C
Moisture-resistant gypsum products are designed for areas where humidity and incidental
moisture are greater than in ordinary dry interior spaces.
3. What is the primary purpose of fireblocking in a framed wall assembly?
A. To slow the spread of fire and smoke through concealed spaces
B. To increase the decorative value of the wall
C. To reduce the weight of the wall
D. To eliminate the need for structural framing
Answer: A
Fireblocking interrupts concealed pathways within framing cavities, helping limit the
movement of fire and smoke.
4. Which framing members commonly establish the sides and top of a rough floor opening?
,A. Rafters and collar ties
B. Studs and plates
C. Joists and rim boards only
D. Trimmers and headers
Answer: D
Trimmers support the sides of an opening, while headers transfer loads around the opening.
5. A contractor needs information about the required rough-in dimensions for an
aluminum-clad wood window. Which source should be consulted first?
A. The manufacturer's installation information
B. A generic framing textbook
C. The paint manufacturer's catalog
D. The flooring supplier
Answer: A
The window manufacturer provides product-specific rough-opening, installation, flashing, and
fastening requirements.
6. What does an R-value primarily describe in building construction?
A. Resistance to electrical current
B. Resistance to heat flow
C. Resistance to water pressure
D. Resistance to structural bending
Answer: B
R-value expresses thermal resistance; higher resistance generally means less heat transfer
through the insulation assembly.
7. A gutter downspout discharges directly against the foundation wall. What is the most
appropriate corrective action?
A. Reduce the gutter slope
B. Remove the downspout
C. Provide a suitable discharge or extension that directs water away from the foundation
D. Seal the gutter opening with roofing cement
Answer: C
Water should be directed away from the foundation so that concentrated runoff does not
contribute to moisture intrusion or drainage problems.
,8. Which copper tubing type is commonly used in residential plumbing applications where
local requirements permit it?
A. Type M
B. Type X
C. Type Z
D. Type Q
Answer: A
Type M copper tubing is commonly used in residential water-distribution applications where
permitted by the applicable plumbing requirements.
9. What is the principal purpose of a header over a framed opening?
A. To provide decorative trim
B. To support and redistribute loads around the opening
C. To provide insulation
D. To provide ventilation
Answer: B
A header carries loads that would otherwise bear on the opening and transfers those loads to
supporting framing members.
10. A contractor discovers that a planned structural opening does not match the approved
drawings. What should happen before modifying the framing?
A. The opening should be enlarged immediately
B. The drywall installer should decide
C. The discrepancy should be reviewed and resolved through the appropriate design or
supervisory process
D. The contractor should ignore the drawings
Answer: C
Structural modifications should be based on approved information because an unauthorized
change can compromise the design and create liability.
11. What is the primary function of flashing around a window installation?
A. To prevent water from entering the wall assembly
B. To increase glass thickness
C. To reduce electrical consumption
D. To replace structural framing
, Answer: A
Proper flashing manages water at vulnerable transitions and directs it toward the exterior
rather than into the wall assembly.
12. When installing drywall sheets, why should joints be properly supported and fastened?
A. To increase paint gloss
B. To reduce ceiling height
C. To prevent all thermal movement
D. To reduce cracking and maintain a stable finished surface
Answer: D
Adequate support and fastening help maintain panel stability and reduce movement-related
cracking or joint failure.
13. A worker is cutting lumber with a power saw. Which action best reflects safe operating
practice?
A. Remove the guard for easier cutting
B. Keep hands clear of the blade path and use required guarding
C. Hold the workpiece against the blade with one hand
D. Disable the emergency controls
Answer: B
Keeping hands away from the cutting path and maintaining required guards are fundamental
power-tool safety practices.
14. What is the purpose of a sill pan or comparable sill-flashing system beneath a window?
A. To increase glass strength
B. To support the roof
C. To collect and direct incidental water toward the exterior
D. To replace the window frame
Answer: C
A properly installed sill-flashing system helps manage water that reaches the sill area and
directs it outward.
15. Which factor should receive priority when selecting a roofing material for a particular
project?
