Contractor Exam Practice Test 100

Mississippi Building Construction Contractor Exam Practice Test 100 Questions And ( Answers) Plus Rationales 2026 Q&A Instant Download Pdf

Q1. What is the minimum compressive strength of concrete used for footings according to typical building codes?

• 2000 psi
• 2500 psi
• 3000 psi
• 3500 psi

Rationale: Concrete used in structural footings typically requires at least

2500 psi for adequate load capacity.Q2. The document that officially modifies or clarifies the original contract

drawings or specifications is called: 1 / 3

a) RFI

b) Bulletin

c) Addendum

d) Change directive

Rationale: Addenda are issued before contract award to revise bid

documents.Q3. OSHA requires fall protection at what minimum height for construction work?

• 4 ft
• 6 ft
• 8 ft
• 10 ft

Rationale: OSHA’s construction fall protection rule mandates safety from 6

feet or more.Q4. Which schedule provides a list of required materials and quantities for a construction project?

a) CPM

b) WBS

c) Bill of Materials

d) Punch list

Rationale: The bill of materials details materials and counts for

procurement and cost control. 2 / 3

Q5. Soil compaction increases load-bearing capacity by:

a) Increasing permeability

b) Increasing void ratio

c) Reducing voids in soil

d) Lowering density

Rationale: Compaction removes voids, strengthening soil structure.

Q6. What type of concrete joint helps prevent random cracking?

a) Isolation

b) Expansion

c) Control joint

d) Construction joint

Rationale: Control joints create weakened planes to direct cracking.

Q7. Who is responsible for ensuring jobsite safety under OSHA regulations?

a) Owner

b) Architect

c) Employer/Contractor

d) Subcontractors only

Rationale: Employers must provide a safe workplace for all employees.

Q8. Retainage is withheld to:

a) Lower contract price

b) Reduce taxes

c) Pay insurance

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