COMMERCIAL CONTRACTOR PRACTICE
EXAM QUESTIONS 2026 EDITION
COMPLETE PRACTICE QUESTIONS AND
CORRECT ANSWERS WITH DETAILED
EXPLANATIONS COMPREHENSIVE
COMMERCIAL CONTRACTOR LICENSE
EXAM STUDY GUIDE
750 feet of pipe is being laid at 0.5% slope. On a topographic map that has 6
inch contour intervals, approximately how many intervals will be depicted
on the map from one end of the pipe to the other?
A. 2 contour intervals
B. 4 contour intervals
C. 6 contour intervals
D. 8 contour intervals - CORRECT ANSWER-D.8 contour intervals
What is the minimum allowable slope of the ground that is immediately
adjacent to a foundation wall?
A. 2%
,B. 5%
C. 7%
D. 8% - CORRECT ANSWER-B.5%
What type fastener is NOT allowed when working above grade or below
grade on wood foundations?
A. Type 304 stainless steel.
B. Silicon bronze.
C. Copper.
D. Electrogalvanized steel. - CORRECT ANSWER-D.Electrogalvanized steel.
A topographic map is being used to determine cut and fill requirements.
The contour interval is 2 feet. Across a distance of 200 feet there are 10
contours. What is the slope of the grade?
A. 10:1
B. 20:1
,C. 50:1
D. 100:1 - CORRECT ANSWER-A.10:1
Which is the first step that needs to be taken prior to starting any
excavation work?
A. notifying the neighbors
B. contacting the local utility companies
C. selecting the appropriate digging equipment
D. hand digging in a few areas to check soil type - CORRECT ANSWER-
B.contacting the local utility companies
How long will it take to excavate a trench that is 8 foot deep by 4 feet wide
by 100 feet long? The hourly production rate is 40 BCY and the operator
has average ability with an efficiency factor of 75%.
A. 1 hour
B. 2 hours
, C. 3 hours
D. 4 hours - CORRECT ANSWER-D.4 hour
The following is from the restrictive covenants on a customer's lot. 1. No
detached single-family dwelling unit or any part thereof shall be erected
nearer than 25 feet to any front lot line or side street lot line. 2. No building
shall be erected nearer than 10 feet to any interior side lot line. How close
can a home be placed to the front of the lot?
A. 10 feet
B. 15 feet
C. 20 feet
D. 25 feet - CORRECT ANSWER-D.25 feet
What is the MINIMUM grade fall away from foundation walls?
A. 1 inch within the first 2 1/2 feet.
B. 3 inches within the first 5 feet.
EXAM QUESTIONS 2026 EDITION
COMPLETE PRACTICE QUESTIONS AND
CORRECT ANSWERS WITH DETAILED
EXPLANATIONS COMPREHENSIVE
COMMERCIAL CONTRACTOR LICENSE
EXAM STUDY GUIDE
750 feet of pipe is being laid at 0.5% slope. On a topographic map that has 6
inch contour intervals, approximately how many intervals will be depicted
on the map from one end of the pipe to the other?
A. 2 contour intervals
B. 4 contour intervals
C. 6 contour intervals
D. 8 contour intervals - CORRECT ANSWER-D.8 contour intervals
What is the minimum allowable slope of the ground that is immediately
adjacent to a foundation wall?
A. 2%
,B. 5%
C. 7%
D. 8% - CORRECT ANSWER-B.5%
What type fastener is NOT allowed when working above grade or below
grade on wood foundations?
A. Type 304 stainless steel.
B. Silicon bronze.
C. Copper.
D. Electrogalvanized steel. - CORRECT ANSWER-D.Electrogalvanized steel.
A topographic map is being used to determine cut and fill requirements.
The contour interval is 2 feet. Across a distance of 200 feet there are 10
contours. What is the slope of the grade?
A. 10:1
B. 20:1
,C. 50:1
D. 100:1 - CORRECT ANSWER-A.10:1
Which is the first step that needs to be taken prior to starting any
excavation work?
A. notifying the neighbors
B. contacting the local utility companies
C. selecting the appropriate digging equipment
D. hand digging in a few areas to check soil type - CORRECT ANSWER-
B.contacting the local utility companies
How long will it take to excavate a trench that is 8 foot deep by 4 feet wide
by 100 feet long? The hourly production rate is 40 BCY and the operator
has average ability with an efficiency factor of 75%.
A. 1 hour
B. 2 hours
, C. 3 hours
D. 4 hours - CORRECT ANSWER-D.4 hour
The following is from the restrictive covenants on a customer's lot. 1. No
detached single-family dwelling unit or any part thereof shall be erected
nearer than 25 feet to any front lot line or side street lot line. 2. No building
shall be erected nearer than 10 feet to any interior side lot line. How close
can a home be placed to the front of the lot?
A. 10 feet
B. 15 feet
C. 20 feet
D. 25 feet - CORRECT ANSWER-D.25 feet
What is the MINIMUM grade fall away from foundation walls?
A. 1 inch within the first 2 1/2 feet.
B. 3 inches within the first 5 feet.
