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Concrete / masonry contractor practice test

219 free practice questions for this exam, each with the reason for the answer and where to look it up.

Concrete and masonry: practice test

10 questions, graded as you go, with the reason for every answer. No sign-up.

Practice tests that prepare you for this exam

Concrete and masonry

Concrete materials, mixes, placing, finishing, curing, testing, reinforcement, formwork and masonry units and mortar for contractor and field technician exams.

219 questions for this exam

About the exam

ExamConcrete / masonry contractor
Who runs itState boards
WhereUnited States (varies by state)

Question count, time limit and pass mark differ by where you take it. Check the official candidate bulletin from the organisation that runs your exam.

Sample questions

What is a snap tie designed to do after the forms are stripped?

  1. Pull out of the wall in one whole piece
  2. Stay sticking out of the wall to hold insulation
  3. Break off a short distance inside the wall face
  4. Be cut off flush with the wall surface
Show the answer

C. Break off a short distance inside the wall face

Snap ties have a weakened point so the ends break back inside the concrete surface, leaving a small hole to patch. Ties that pull out whole are tapered or she-bolt ties.

Reference: ACI 347R, form ties

Which mortar type has the highest compressive strength and is suited to heavily loaded masonry and work below grade?

  1. Type N
  2. Type O
  3. Type K
  4. Type M
Show the answer

D. Type M

Type M is the strongest, about 2500 psi under the property specification, and is used for foundations, retaining walls and heavy loads. Type N is a medium-strength mortar for above-grade work.

Reference: ASTM C270, mortar types

Concrete for a footing will be in contact with soil that has a very high sulfate content. Which portland cement type gives the highest sulfate resistance?

  1. Type I
  2. Type V
  3. Type II
  4. Type III
Show the answer

B. Type V

Type V is the high-sulfate-resistance cement. Type II is the tempting choice, but it only gives moderate sulfate resistance and is meant for moderate exposure.

Reference: ASTM C150, portland cement types

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