Concrete Technology - Concrete Technology objective questions and answers
41. The permanent the formation of concrete with time under steady load is called
A. Creep
B. Relaxation
C. Vicidity
D. Visco-elasticity
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A. Creep
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42. Concreting done in hot weather will result into
A. Increased cracking
B. Increased strength
C. Retarded setting
D. Unevenness
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43. The name herculite stands for aggregate such as
A. Expanded shale
B. Verniculite
C. Normal weight
D. Processed
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44. Which of the following will have least weight per cubic meter ?
A. Granite
B. Fire brick
C. Common brick
D. Snow compacted
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45. Green concrete may be made by adding
A. Chromium oxide
B. Iron oxide
C. Barium Manganate
D. Iron hydroxide
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