Concrete Technology 2018 Question Paper — Government College of Engin…
The 2018 Concrete Technology previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: Concrete Technology
- Course: Concrete Technology
- Branch: Civil Engineering
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all selecting at least one question from each Section.
- Each question carries 20 marks.
- Assume missing data suitably, if any.
Questions
Section-I
- Q1. (A) Differentiate between accelerators and retarders with suitable examples and also Explain the factors influencing the dosage of different admixtures? [10] (B) What do you mean by grading of aggregates? Explain the importance of shape, size and texture of coarse aggregate on quality of concrete [10] [20 marks]
- Q2. (A) Discuss the role of various major compounds of cement and its hydrated products. [10] (B) Explain any two methods of finding the abrasion value of a coarse aggregate. [10] [20 marks]
Section-II
- Q3. (A) Define concrete mix design and state the principles of concrete mix design. [10] (B) Explain the procedure for proportioning of material while designing a concrete mix. [10] [20 marks]
- Q4. List the various methods of mix design. Briefly describe the IS method. [20] [20 marks]
Section-III
- Q5. (A) What is meant by workability of concrete? Enumerate the various methods to determine the workability? Discuss any one of it in detail. [10] (B) Enumerate the good and bad practices of making and using of Fresh Concrete. [10] [20 marks]
- Q6. (A) Explain the procedure of compressive, tensile and flexural strength tests conducted on cement concrete elements with neat sketch [10] (B) What are the various causes of deterioration of concrete? How deterioration of concrete can be prevented? [10] [20 marks]
Section-IV
- Q7. Explain the following: 1. Light weight concrete 2. Fibre reinforced concrete 3. Polymer concrete 4. High strength concrete [20] [20 marks]
- Q8. (A) Explain in detail where self healing concrete is used and under what conditions it is preferred? [10] (B) Differentiate between the light weight concrete and high density concrete with their usages. [10] [20 marks]