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Exam (elaborations)
COSC 253 EXAM 2 HARTELL EXAMS QUESTIONS AND ANSWERS
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---8March 20262025/2026A+
- COSC 253 EXAM 2 HARTELL EXAMS QUESTIONS AND ANSWERS 
How is concrete priced and ordered? - CORRECT ANSWER- Concrete is typically measured and 
ordered by the cubic yard - Typical transit-mix truck can mix and deliver up to 10 cubic yards - Wet(fresh) concrete weighs approximately 150 lbs per cubic foot or 4,050 lbs per cubic yard
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Exam (elaborations)
COSC 253 Exam 1 Review Questions With 100% Verified Answers
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---10March 20262025/2026A+
- COSC 253 Exam 1 Review Questions With 100% Verified Answers 
 
 
.Traditionally, [] construction is most commonly associated with design/bid/build construction. - ANSWERS-sequential 
 
.Each separate entity provides a system of checks and balance which increases the quality of end product. - ANSWERS-Design/Bid/Build 
 
.For this project delivery method, there is a single point of accountability. - ANSWERS-Design/Build 
 
.For this project delivery method, the owner hires separate...
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Exam (elaborations)
COSC 253 EXAM 2 QUESTIONS AND ANSWERS
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---9November 20252025/2026A+
- COSC 253 EXAM 2 QUESTIONS AND ANSWERS 
Which division is Masonry? - CORRECT ANSWERDivision 4 
Mortar - CORRECT ANSWERbinding agent between masonry units. 
Four main ingredients in mortar: - CORRECT ANSWERPortland Cement or Masonry Cementbonding agent in the mortar. 
Hydrated Lime- makes the mortar smooth and workable. 
Aggregate (Sand)- must be clean and sized properly. 
Water- binds ingredients in the mortar.
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