Contractor Exam Questions And Correct
Answers With Rationales 2026
1. Which of the following is required before starting any
maintenance or alteration work on a residential building?
A) Only verbal consent from the homeowner
B) Obtaining the proper permit
C) Submitting plans to the fire department
D) Paying a licensing fee
Rationale: Proper permits ensure compliance with local building codes
and protect both the contractor and homeowner legally.
2. When replacing old wiring in a home, which of the following is
most important?
A) Using any available wire
B) Following the National Electrical Code (NEC)
C) Matching the color of existing wires only
D) Using only aluminum wire
Rationale: The NEC sets safety standards for all electrical work,
preventing fire hazards and ensuring safety.
3. What is the primary purpose of a maintenance and alteration
contractor license in Michigan?
, A) To allow the contractor to sell building materials
B) To legally perform repair, maintenance, and alteration work
C) To exempt the contractor from building codes
D) To guarantee insurance coverage
Rationale: Licensing ensures the contractor meets state requirements to
safely perform specific types of construction work.
4. Which type of insulation is best for preventing heat loss in older
homes during winter?
A) Fiberglass batts
B) Spray foam insulation
C) Plastic sheeting
D) Aluminum foil
Rationale: Spray foam insulation creates an airtight seal, reducing heat
loss effectively in retrofits.
5. When performing minor plumbing repairs, what is the most
important step before beginning work?
A) Shutting of f the water supply
B) Removing the toilet immediately
C) Installing new pipes without inspection
D) Draining the sewer system
Rationale: Shutting off the water prevents flooding and potential
damage to property.
6. A maintenance and alteration contractor is required to carry
which type of insurance?
A) Life insurance only
B) Liability insurance
, C) Travel insurance
D) Health insurance
Rationale: Liability insurance protects both the contractor and the
homeowner from damages or accidents.
7. What is the minimum age requirement to obtain a Michigan
maintenance and alteration contractor license?
A) 16 years
B) 17 years
C) 18 years
D) 21 years
Rationale: Michigan law requires contractors to be legal adults to enter
into contracts and obtain a license.
8. Which document must a contractor provide to a homeowner
before starting a job?
A) A list of previous clients
B) A written contract detailing scope and costs
C) A copy of their high school diploma
D) A letter of recommendation
Rationale: A written contract prevents disputes and clearly outlines
responsibilities and costs.
9. When replacing windows in a historic home, what must the
contractor consider?
A) Using the cheapest materials
B) Preserving historic appearance and complying with codes
C) Installing standard modern windows regardless of style
D) Ignoring any permit requirements