Q1: Define creep in concrete? Distinguish it from elasticdeformation.
Q2: Discuss the rate of concrete drying shrinkage at differentages.
Q3: Explain the positive aspects of bleeding on concrete.
Q4: Explain the effects of size and grading of aggregates onworkability of concrete?
Q5: Differentiate between additives and admixtures withexamples.
Q6: Explain the working mechanism of retarders, plasticizers andair entrained
admixtures.
Q7: Define volume and weigh batching of concrete? Explain withexamples.
Q8: Differentiate between continuous and batch type concretemixers?
Q9: Explain, how to improve cohesiveness of concrete ingredients?Indicate its effects on
concrete segregation?
Q10: Discuss the primary reasons for the abnormal setting behaviorsof concrete?
Describe how chemical and mineral admixtures may cause concreteabnormal setting with
the help of examples.
