COMMERCIAL CONTRACTOR PRACTICE EXAM
QUESTIONS WITH COMPLETE SOLUTIONS
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 Answers D.8 contour intervals
A 140-foot wide paved area is to be sloped 1/8 inch per foot.
The elevation at the highest point is to be 87.2 feet at the center.
What is the elevation at the lowest point at the perimeter?
A. 78.70 feet
B. 81.30 feet
C. 85.74 feet
D. 86.50 feet Correct Answers D.86.50 feet.
A building has an area of 3,350 square feet and a roof slope of 3
in 12. The roof is to be covered with composite shingles at three
bundles per square which can be purchased only by the whole
,bundle. To convert from plan area to actual roof area, use the
following table: SLOPE MULTIPLY PLAN AREA BY 2 in 12
1. in 12 1. in 12 1. in 12 1. in 12
1. in 12 1. in 12 1. in 12 1.414 How
many bundles of shingles are REQUIRED to roof the building?
Do NOT make an allowance for waste, hips, valleys or starter
courses.
A. Less than 100.
B. Between 100 and 105.
C. Between 106 and 110.
D. More than 110. Correct Answers B.Between 100 and 105
A concrete block foundation wall that is adequately braced
should be cured for a MINIMUM of how much time before
backfilling?
A.24 hours
B. 48 hours
C. 3 days
D. 7 days Correct Answers B.48 hours.
A concrete masonry foundation wall extends below grade and
will require parge coating using Portland cement mortar. What is
the minimum allowable thickness?
,A. 1/4 inch
B. 3/8 inch
C. 1/2 inch
D. 5/8 inch Correct Answers B.3/8 inch
A contract refers to an insurance agreement that the contractor is
required to have. This is considered to be which of the
following?
A. a bond
B. an addendum
C. part of the contract
D. a non-binding agreement Correct Answers C.part of the
contract
A contractor should do all of the following when estimating a
project EXCEPT
A. identify the risks.
B. predict the likelihood of an unwanted outcome.
C. place a dollar amount on it.
, D. assume ideal conditions. Correct Answers D.assume ideal
conditions.
A cost plus contract calls for the contractor to receive direct
costs for labor and materials, and a markup of 20% of direct
costs. The contractor is also to receive a bonus of 15% of
savings if total cost to the owner is less than $80,000, and a
bonus of $1,000 per day if the project is completed early. Final
costs for direct labor and materials are $60,000. The project is
completed 3 days early. What is the total amount due the
contractor?
A. Less than $70,000.
B. Between $70,000 and $75,000.
C. Between $75,001 and $80,000.
D. More than $80,000. Correct Answers C.Between $75,001
and $80,000.
A driveway rises 18 feet in a horizontal distance of 190 feet.
What is the percent grade?
A. 1%
B. 9%
C. 18%
D. 34% Correct Answers B.9%
QUESTIONS WITH COMPLETE SOLUTIONS
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 Answers D.8 contour intervals
A 140-foot wide paved area is to be sloped 1/8 inch per foot.
The elevation at the highest point is to be 87.2 feet at the center.
What is the elevation at the lowest point at the perimeter?
A. 78.70 feet
B. 81.30 feet
C. 85.74 feet
D. 86.50 feet Correct Answers D.86.50 feet.
A building has an area of 3,350 square feet and a roof slope of 3
in 12. The roof is to be covered with composite shingles at three
bundles per square which can be purchased only by the whole
,bundle. To convert from plan area to actual roof area, use the
following table: SLOPE MULTIPLY PLAN AREA BY 2 in 12
1. in 12 1. in 12 1. in 12 1. in 12
1. in 12 1. in 12 1. in 12 1.414 How
many bundles of shingles are REQUIRED to roof the building?
Do NOT make an allowance for waste, hips, valleys or starter
courses.
A. Less than 100.
B. Between 100 and 105.
C. Between 106 and 110.
D. More than 110. Correct Answers B.Between 100 and 105
A concrete block foundation wall that is adequately braced
should be cured for a MINIMUM of how much time before
backfilling?
A.24 hours
B. 48 hours
C. 3 days
D. 7 days Correct Answers B.48 hours.
A concrete masonry foundation wall extends below grade and
will require parge coating using Portland cement mortar. What is
the minimum allowable thickness?
,A. 1/4 inch
B. 3/8 inch
C. 1/2 inch
D. 5/8 inch Correct Answers B.3/8 inch
A contract refers to an insurance agreement that the contractor is
required to have. This is considered to be which of the
following?
A. a bond
B. an addendum
C. part of the contract
D. a non-binding agreement Correct Answers C.part of the
contract
A contractor should do all of the following when estimating a
project EXCEPT
A. identify the risks.
B. predict the likelihood of an unwanted outcome.
C. place a dollar amount on it.
, D. assume ideal conditions. Correct Answers D.assume ideal
conditions.
A cost plus contract calls for the contractor to receive direct
costs for labor and materials, and a markup of 20% of direct
costs. The contractor is also to receive a bonus of 15% of
savings if total cost to the owner is less than $80,000, and a
bonus of $1,000 per day if the project is completed early. Final
costs for direct labor and materials are $60,000. The project is
completed 3 days early. What is the total amount due the
contractor?
A. Less than $70,000.
B. Between $70,000 and $75,000.
C. Between $75,001 and $80,000.
D. More than $80,000. Correct Answers C.Between $75,001
and $80,000.
A driveway rises 18 feet in a horizontal distance of 190 feet.
What is the percent grade?
A. 1%
B. 9%
C. 18%
D. 34% Correct Answers B.9%
