Cochin University of Science and Techology (CUST) 2003 B.Tech Civil Engineering Concrete Technology - Question Paper

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B.Tech. Degree III Semester (Lateral Entry) Examination, April 2003

CE 304 CONCRETE TECHNOLOGY

Time: 3 Hours    Maximum Marks: 100

(All questions carry EQUAL marks)

I.    (a) Differentiate between setting and hardening of cement.

(b) Explain with neat sketches the Le-Chatelier apparatus.

OR

II.    (a) Explain the settling action of cement and role of each compound formed during

setting.

(b) Differentiate between Quick setting and rapid hardening cement.

III.    (a) What is alkali-aggregate reaction? Explain in detail.

(b) Explain grading of aggregates and its significance.

OR;

IV.    (a) What are the qualities of water required for mixing and curing of concrete? (b) Explain bulking of aggregate in detail.

V.    (a) Write short notes on non-destructive testing methods.

_(b) - What ar*-the-pfopertiesf Generate in its hardened state? Explain.

OR

VI.    (a) What is meant by Curing of Concrete? What are its purposes? Explain the methods, (b) Explain various stages of manufacture of concrete.

(a)    Explain briefly the various methods of designing concrete mixer,

(b)    Explain step by step procedure of concrete mix design using IS method.

OR

Write short notes on ANY FOUR of the following:

(i)    Polymer concrete

(ii)    Fiber reinforced concrete

(iii)    Sulphur infiltrated concrete

(iv)    High density concrete

(v)    Light weight concrete

Write short notes on ANY FOUR of the following:

(i)    Corrosion inhibiting agents

(ii)    Damp proofing agents

(iii)    ' Gas forming agents

(iv)    Colouring agents

(v)    Bonding admixtures

(vi)    Workability agents

Attachment: cochin-university-of-science-and-techology--cust--2003-b-tech-civil-engineering-36785-1.pdf

Earning:   Approval pending.