What is compaction? Why compaction is needed?
[3 marks]Write a short note on aerated concrete.
[4 marks]Explain about rebound hammer test.
[7 marks]What are the purposes of admixtures in concrete?
[3 marks]Write a short note on bulking of sand.
[4 marks]State factors affecting compressive strength of concrete and explain any four in detail.
[7 marks]Explain the factors affecting permeability of concrete.
State the major compounds of ordinary Portland cement and its importance.
[3 marks]Explain different types of slump with sketch.
[4 marks]Explain ultrasonic pulse velocity test.
[7 marks]Explain the effect of water cement ratio on the strength of concrete.
[3 marks]Explain importance of grading of aggregates.
[4 marks]List various methods of concreting under water and explain ‘tremie’ method.
[7 marks]Explain mechanism of sulphate attack on concrete.
[3 marks]Define Durability. Explain its significance.
[4 marks]Explain wet process for manufacturing of cement.
[7 marks]Explain segregation of concrete.
[3 marks]Describe the test for determining standard consistency, and initial setting time of cement.
[4 marks]Explain Indian Standard Mix design method as per IS: 10262 (2009) with its salient features.
[7 marks]Explain need of curing. State different methods of curing.
[3 marks]Define workability and discuss factors affecting workability.
[4 marks]What is self-compacting concrete? And what are the advantages and disadvantages of using it?
[7 marks]Briefly explain alkali-aggregate reaction.
[3 marks]Differentiate between high-strength and high-performance concrete.
[4 marks]Explain various causes of corrosion of steel in concrete and its remedial measures.
[7 marks]