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

42.  Concreting done in hot weather will result into

   A. Increased cracking

   B. Increased strength

   C. Retarded setting

   D. Unevenness

43.  The name herculite stands for aggregate such as

   A. Expanded shale

   B. Verniculite

   C. Normal weight

   D. Processed

44.  Which of the following will have least weight per cubic meter ?

   A. Granite

   B. Fire brick

   C. Common brick

   D. Snow compacted

45.  Green concrete may be made by adding

   A. Chromium oxide

   B. Iron oxide

   C. Barium Manganate

   D. Iron hydroxide

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