C-5 Concrete Contractor Exam Study Guide 2026/2027 Accurate Questions With Correct Detailed Solutions || 100% Guaranteed Pass Newest Version

C-5 Concrete Contractor EXAM STUDY GUIDE 2026/2027 ACCURATE QUESTIONS WITH CORRECT DETAILED SOLUTIONS || 100% GUARANTEED PASS NEWEST VERSION 1. What is used to support heavy concrete structures over low bearing capacity soils - ANSWER Mat or raft foundstions 2. What are bearing piles - ANSWER Piles that go right to load bearing soil 3. What is the butt of the pile - ANSWER Body 4. What are micropiles - ANSWER High strength cement grout and reinforcing bar 5. What needs bigger drilling machine micropil or bearing pile - ANSWER Bearing pile 6. What can be installed to provide addition support for foundtions already installed - ANSWER Micropiles 7. What is a cassion - ANSWER A cast in place pile where you fill the hole you drilled with concrete 8. What is a belled cassion area - ANSWER Where the cassion has a larger bearing area at the btom 9. How are belled cassions made - ANSWER With a belling tool (machine with wedges that spins 10. How sre wall forms made - ANSWER With panels 11. Whats the pount of wall panels forms - ANSWER To reuse many times 12. What is snap tie - ANSWER Holds forms together 13. What are steel dog snap couls ties for - ANSWER One sided battered wall 14. Where are stiffereners placed more on wall panels - ANSWER Bottom cuz weight is there 15. Which way do form panels get placed - ANSWER Horizontally or vertically depending on strength axies 16. Procedure for form wall construction - ANSWER Layout, plate, corners, ext wall, snap ties, waler, interior wall, pilasters 17. What is split waterstop - ANSWER Waterstop that is folded out ready to be embedded in the next pour of concrete 18. Where should the center bulb if a waterstop be - ANSWER In the center of the joint 19. What is lashing a waterstop - ANSWER Tying it to rebar 20. What should be dine at every concrete joint for a waterstop - ANSWER Caulked 21. What is splicing waterstops - ANSWER Cutting and melting edges together 22. When would you splice waterstops - ANSWER When there is a T or L junction 23. When is adhesive expanding strips used - ANSWER With cinstruction joints that are not moving 24. How deep should a control joint be - ANSWER 1/4 the slab thickness 25. 2 ways to make control joint - ANSWER Beveled wood or jointing tool 26. What dies isolation joint do - ANSWER Isolate member like a slab so it doesnt move other objexts around it 27. How do u make isolation joint - ANSWER Poly, sand, or fibreboard 28. How much is concretes compressive strength in relation to its tensile strength - ANSWER 10x its tensile trength 29. 2 types if revar - ANSWER Smooth and deformed 30. 3 marks in rebar and what they mean - ANSWER Grade of steel, size, and rolling mill 31. How are grades of steel measured - ANSWER In tensile strength 32. How much mpa does a grade 300 rebar have - ANSWER 300mpa 33. What is yeild strength in rebar - ANSWER The load limit where the bar will stretch and go back to its original shape 34. 3 forces acting on concrete - ANSWER Compression, tension, and shear 35. What cracks are caused by shear in concrete - ANSWER 45 degree cracks 36. What is a trussed bar in concrete beams - ANSWER A bar that follows the load path over beam supports (raises to top at supports and lowers over span) 37. How should rebar be in an inside corner - ANSWER Extend past corner to far face