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- Write short notes on:
(a) Oil-well cement (b) Acid resistant cement
(c) Expanding cements (d) Ferrocement - (a) What is ready mixed concrete? How is it manufactured and transported?
(b) What are the salient features of ready mixed concrete?
(c) State the advantages and disadvantages of ready mixed concrete. - Write notes on:
(a) Ferrocement (b) Fibre reinforced concrete
(c) Light weight concrete (d) Heavy weight concrete - Give the characteristics and uses of the following concretes:
(a) Roller compacted concrete (b) Polymer concrete
(c) Cellular concrete (d) Shrinkage compensating concrete - Give the uses and applications of following concretes.
(a) High strength concrete (b) Foam concrete
(c) Prestressed concrete (d) Reinforced cement concrete - Describe in details about the ready mixed concrete.
- What is shotcrete?
- High performance concrete can be a high strength concrete but the converse is not true,
comment. - What makes high performance concrete different from high strength concrete?
- Write notes on:
(a) High performance concrete (b) Accreted concrete
(c) Bacterial concrete (d) Self-Compacting concrete - Write short notes on
(a) Light weight concrete (b) Fibre-reinforced concrete
(c) Ferrocement (d) Air entrained concrete
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- In prestressed concerete concrete of high strength is used.
Consider the following statements:- It results in smaller cross-section
- Bearing stresses are generated in anchorage zones
- Shrinkage cracks are reduced
Of the above the correct statements are:
(a) 1 and 2 (b) 2 and 3
(c) 3 and 1 (d) 1, 2 and 3
- The ultimate tensile strength of high tensile strength steel is about
(a) 250 N/mm^2 (b) 450 N/mm^2
(c) 515 N/mm^2 (d) 2000 N/mm^2 - Which of the following is not modified for betterment in polymer concrete?
(a) Bond (b) Strength
(c) Oil resistance (d) Brittleness