Cochin University of Science and Techology (CUST) 2002 B.Tech Civil Engineering Concrete Technology - Question Paper
BTS 165 (C)
B.TECH. DEGREE ID SEMESTER (SUPPLEMENTARY) EXAMINATION IN
CIVIL ENGINEERING JUNE 2002
CE 304 CONCRETE TECHNOLOGY
(1995 & 1998 Admissions)
Time: 3 Hours Maximum Marks: 100
(All questions carry EQUAL marks)
I. (a) With a neat sketch of the apparatus explain the standard consistency of ordinary Portland cement.
(b) Differentiate between high alumina cement and ordinary Portland cement.
OR
n. (a) Explain the importance of setting time tests.
(b) Differentiate between sulphate resisting cement and super sulphate cement.
ffl. What are the usual impurities associated with coarse aggregate? How are they
eliminated?
OR
IV. Define elongation index of coarse aggregate. Explain the I:S method to determine
elongation index of coarse aggregate.
V. Explain in detail different types of workability agents available in market.
OR
VI. Describe miscellaneous admixtures used in concreting.
VII. (a) What is meant by workability of concrete?
(b) Explain different factors affecting workability of concrete.
OR
Vm. Write short notes on:
(i) Shrinkage and creep
(ii) Elasticity of concrete
(iii) Compaction of concrete
IX. Write step by step procedure for concrete mix design by ACI method.
OR
X. Distinguish between sulphur infilterated concrete and fibre reinforced concrete.
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