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Contractor Licensing · BC-B,C

Tennessee Contractor Combined Commercial and Industrial Contractor Building Examination Practice Test

The Tennessee Contractor Combined Commercial and Industrial Contractor Building Examination (BC-B,C) concerns building construction decisions in commercial and industrial settings. Practice questions sample estimating, excavation near existing structures, concrete placement, accessible routes, reinforcing details, material substitutions, and short-term scheduling.

Exam overview

Exam providerTennessee Board for Licensing Contractors
Exam codeBC-B,C
CategoryContractor Licensing

About the Tennessee Contractor Combined Commercial and Industrial Contractor… Exam

Commercial and industrial building work requires coordinating drawings, specifications, site conditions, materials, and construction sequencing. The practice material touches on comparing bids for equivalent scopes, calculating gross wall area, and interpreting reinforcing-bar spacing on structural concrete drawings. Other questions address excavation effects on nearby buildings, granular fill beneath slabs, and measures to limit moisture loss during hot-weather concrete placement. These scenarios call for connecting construction methods to their practical purpose, identifying information needed before work proceeds, and recognizing when a proposed change needs review. Scheduling questions focus on predecessor relationships between activities, while layout questions ask whether a route can accommodate accessibility needs. Together, these examples exercise estimating, document interpretation, planning, and field judgment across building work; they should be treated as practice-bank samples, not as a statement of official exam coverage.

Sample Practice Questions

Review a selection from this exam's published US Practice Tests practice bank.

Question 1

A contractor is comparing two bids for the same defined scope. Which approach best supports a meaningful comparison?

  1. ACheck that both bids include the same scope, assumptions, exclusions, and applicable schedule requirements
  2. BSelect the bid with the shortest document regardless of its contents
  3. CCompare only the stated totals and ignore qualifications
  4. DChoose the bid submitted first
Show answerCorrect answer: A

A bid comparison is useful only when the proposals are evaluated on a consistent basis. Reviewing scope, exclusions, assumptions, and schedule qualifications can reveal gaps that make a lower stated price an incomplete comparison.

Question 2

A contractor is reviewing a proposed foundation excavation near an existing building. Which information is most useful for assessing the potential effect of the excavation on the existing structure?

  1. AThe paint color on the existing building
  2. BGeotechnical conditions and the excavation's depth, location, and support requirements
  3. CThe number of parking spaces available to workers
  4. DThe delivery schedule for interior finish materials
Show answerCorrect answer: B

Soil conditions and excavation geometry affect ground movement and support needs. Reviewing geotechnical information and the excavation plan helps the project team identify risks to adjacent structures and determine whether protective measures are needed.

Question 3

Before a large concrete placement, the contractor wants to reduce the risk of a cold joint caused by an interruption in delivery. Which planning step is most useful?

  1. ACoordinate the placement rate, crew capacity, and concrete delivery sequence in advance
  2. BIncrease the water content of each truck as needed to keep the concrete workable
  3. CDelay arranging equipment until the first truck arrives
  4. DPlace the concrete in isolated sections without regard to the pour sequence
Show answerCorrect answer: A

Matching delivery rate and placement capacity helps maintain a continuous pour and reduces the chance that previously placed concrete will begin setting before the next lift is placed. Water should not be added arbitrarily because it can affect concrete properties.

Question 4

A project team is checking whether a proposed building layout can accommodate a required accessible route. Which general feature should be evaluated along the route?

  1. AWhether the route is continuous and has adequate clear width and maneuvering space
  2. BWhether all doors along the route swing in the same direction
  3. CWhether the route uses the same floor finish in every room
  4. DWhether the route avoids all changes in room use
Show answerCorrect answer: A

An accessible route must provide a continuous path with sufficient clear width and space for users to travel and maneuver. Applicable dimensions and details should be verified against the governing accessibility requirements for the project.

Question 5

A concrete slab-on-grade is placed over compacted granular fill. What is the primary purpose of the granular layer?

  1. ATo provide a stable, uniform base and help distribute loads
  2. BTo prevent all moisture from entering the slab
  3. CTo replace the need for slab reinforcement
  4. DTo increase the slab's cement content
Show answerCorrect answer: A

A properly compacted granular base provides more uniform support and helps distribute loads beneath the slab. It does not eliminate the need for moisture control, reinforcement where specified, or an appropriate concrete mix.

Question 6

A project specification requires a particular product, but a proposed substitute is offered because the specified product is unavailable. What should the contractor generally do before using the substitute?

  1. AInstall it immediately if its color is similar
  2. BObtain review and approval through the project's substitution process
  3. CAsk the supplier to approve it on the owner's behalf
  4. DUse it only in concealed areas without notifying anyone
Show answerCorrect answer: B

Substitutions can affect performance, compatibility, warranties, code compliance, cost, and schedule. The contractor should submit the proposed substitution for review and approval under the contract documents before installation.

Question 7

A contractor is estimating the quantity of wall material for a rectangular room. Which calculation approach gives the gross wall area before deductions for openings?

  1. AAdd the room's length and width, then multiply by the wall height
  2. BMultiply the room perimeter by the wall height
  3. CMultiply the floor area by the wall height
  4. DMultiply the room diagonal by the wall height
Show answerCorrect answer: B

For a rectangular room, the gross area of the four walls is the room perimeter multiplied by wall height. Door and window areas may then be deducted when estimating net material quantities, subject to the estimating method being used.

How to use this practice test

Access is free. The published bank contains 50 practice questions; each session presents up to 20 questions selected at random. Submit your answers to see results after the session, then revisit missed concepts such as bid scope comparison, concrete placement planning, drawing interpretation, or activity sequencing.

Preparation tips

  • For bid comparisons, check that scope, quantities, exclusions, and assumptions align before comparing totals.
  • Practice calculating gross wall area from room dimensions, then distinguish that figure from net area after openings are deducted.
  • Review how excavation proximity, soil conditions, and foundation information affect assessment of risks to adjacent structures.
  • Connect concrete placement conditions with controls: plan delivery continuity to reduce cold-joint risk and limit rapid moisture loss in hot weather.
  • Read schedule logic and structural details carefully: identify predecessor activities and interpret reinforcing-bar spacing dimensions.
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