Connecticut SM-1 Limited Sheet Metal Contractor Practice EXAM LATEST QUESTIONS AND
CORRECT ANSWERS*
**Question 1:**
What is the scope of work for a Connecticut SM-1 Limited Sheet Metal Contractor?
A) Unlimited sheet metal work
B) Residential sheet metal work on one- and two-family dwellings only
C) Commercial and industrial sheet metal installations
D) Fabrication only, no installation
**Answer:** B) Residential sheet metal work on one- and two-family dwellings only
**Explanation:** The SM-1 license is limited to sheet metal work on residential structures
of one- and two-family dwellings, including related appurtenances.
**Question 2:**
Which material is commonly used for residential roof flashing?
A) Galvanized steel
B) Copper
C) Aluminum
D) All of the above
**Answer:** D) All of the above
**Explanation:** Residential roof flashing can be made from galvanized steel, copper,
aluminum, or lead-coated materials, depending on the application and budget.
**Question 3:**
,What is the minimum required thickness for galvanized steel sheet metal used in
residential roof drainage gutters?
A) 0.019 inch (28 gauge)
B) 0.027 inch (24 gauge)
C) 0.032 inch (22 gauge)
D) 0.040 inch (20 gauge)
**Answer:** B) 0.027 inch (24 gauge)
**Explanation:** Most residential building codes specify a minimum thickness of 0.027
inch (24 gauge) for galvanized steel gutters.
**Question 4:**
When installing a chimney cricket, what is its primary purpose?
A) To divert water around the chimney
B) To provide ventilation
C) To support the chimney structure
D) To anchor flashing
**Answer:** A) To divert water around the chimney
**Explanation:** A chimney cricket (saddle) is a peaked structure installed behind a
chimney on the uphill side to divert water and prevent accumulation.
**Question 5:**
What is the standard slope for residential gutters?
A) 1/16 inch per foot
B) 1/8 inch per foot
C) 1/4 inch per foot
,D) 1/2 inch per foot
**Answer:** B) 1/8 inch per foot
**Explanation:** Residential gutters should slope toward downspouts at a minimum of 1/8
inch per foot to ensure proper drainage.
**Question 6:**
Which type of joint is commonly used for connecting aluminum downspouts?
A) Soldered
B) Riveted
C) Snap-lock
D) Welded
**Answer:** C) Snap-lock
**Explanation:** Aluminum downspouts typically use snap-lock joints or riveted
connections, as aluminum is not typically soldered.
**Question 7:**
What is the purpose of counterflashing?
A) To provide a decorative finish
B) To cover and protect the top edge of base flashing
C) To increase roof slope
D) To support roof vents
**Answer:** B) To cover and protect the top edge of base flashing
**Explanation:** Counterflashing is installed over base flashing to prevent water from
getting behind the base flashing, typically embedded into a wall or chimney.
, **Question 8:**
Which of the following is NOT an acceptable method for connecting galvanized steel
sheets?
A) Soldering
B) Riveting
C) Screwing
D) Stapling
**Answer:** D) Stapling
**Explanation:** Stapling is not an acceptable method for connecting structural sheet
metal components; proper methods include soldering, riveting, or screwing.
**Question 9:**
What is the minimum clearance required between a gas vent and combustible materials
for a Type B vent?
A) 1 inch
B) 2 inches
C) 6 inches
D) 12 inches
**Answer:** A) 1 inch
**Explanation:** Type B gas vents require a 1-inch clearance to combustibles, as they are
double-walled with insulation.
**Question 10:**
Which tool is specifically designed for cutting sheet metal without deforming it?
CORRECT ANSWERS*
**Question 1:**
What is the scope of work for a Connecticut SM-1 Limited Sheet Metal Contractor?
A) Unlimited sheet metal work
B) Residential sheet metal work on one- and two-family dwellings only
C) Commercial and industrial sheet metal installations
D) Fabrication only, no installation
**Answer:** B) Residential sheet metal work on one- and two-family dwellings only
**Explanation:** The SM-1 license is limited to sheet metal work on residential structures
of one- and two-family dwellings, including related appurtenances.
**Question 2:**
Which material is commonly used for residential roof flashing?
A) Galvanized steel
B) Copper
C) Aluminum
D) All of the above
**Answer:** D) All of the above
**Explanation:** Residential roof flashing can be made from galvanized steel, copper,
aluminum, or lead-coated materials, depending on the application and budget.
**Question 3:**
,What is the minimum required thickness for galvanized steel sheet metal used in
residential roof drainage gutters?
A) 0.019 inch (28 gauge)
B) 0.027 inch (24 gauge)
C) 0.032 inch (22 gauge)
D) 0.040 inch (20 gauge)
**Answer:** B) 0.027 inch (24 gauge)
**Explanation:** Most residential building codes specify a minimum thickness of 0.027
inch (24 gauge) for galvanized steel gutters.
**Question 4:**
When installing a chimney cricket, what is its primary purpose?
A) To divert water around the chimney
B) To provide ventilation
C) To support the chimney structure
D) To anchor flashing
**Answer:** A) To divert water around the chimney
**Explanation:** A chimney cricket (saddle) is a peaked structure installed behind a
chimney on the uphill side to divert water and prevent accumulation.
**Question 5:**
What is the standard slope for residential gutters?
A) 1/16 inch per foot
B) 1/8 inch per foot
C) 1/4 inch per foot
,D) 1/2 inch per foot
**Answer:** B) 1/8 inch per foot
**Explanation:** Residential gutters should slope toward downspouts at a minimum of 1/8
inch per foot to ensure proper drainage.
**Question 6:**
Which type of joint is commonly used for connecting aluminum downspouts?
A) Soldered
B) Riveted
C) Snap-lock
D) Welded
**Answer:** C) Snap-lock
**Explanation:** Aluminum downspouts typically use snap-lock joints or riveted
connections, as aluminum is not typically soldered.
**Question 7:**
What is the purpose of counterflashing?
A) To provide a decorative finish
B) To cover and protect the top edge of base flashing
C) To increase roof slope
D) To support roof vents
**Answer:** B) To cover and protect the top edge of base flashing
**Explanation:** Counterflashing is installed over base flashing to prevent water from
getting behind the base flashing, typically embedded into a wall or chimney.
, **Question 8:**
Which of the following is NOT an acceptable method for connecting galvanized steel
sheets?
A) Soldering
B) Riveting
C) Screwing
D) Stapling
**Answer:** D) Stapling
**Explanation:** Stapling is not an acceptable method for connecting structural sheet
metal components; proper methods include soldering, riveting, or screwing.
**Question 9:**
What is the minimum clearance required between a gas vent and combustible materials
for a Type B vent?
A) 1 inch
B) 2 inches
C) 6 inches
D) 12 inches
**Answer:** A) 1 inch
**Explanation:** Type B gas vents require a 1-inch clearance to combustibles, as they are
double-walled with insulation.
**Question 10:**
Which tool is specifically designed for cutting sheet metal without deforming it?
