a) 5%b) 10%c) 8%d) 2% Answer: cExplanation: If more silt content is present, it will ...
View QuestionThe solution used to test impurities in the sand in field is:
a) Sodium sulphateb) Sodium hydroxidec) Sodium nitrated) Sodium chloride Answer: bExplanation: A small amount of ...
View QuestionBulking of sand increase the strength of the mortar
a) Trueb) False Answer: bExplanation: Bulking increases volume of mortar and not the strength. In ...
View QuestionSands should pass through:
a) BIS 480 sieveb) BIS 8 sievec) BIS 5 sieved) BIS 6 sieve Answer: aExplanation: ...
View QuestionA sand is not said to be ideal if:
a) Chemically inertb) Free from organic saltsc) Is softd) Contains silicon dioxide Answer: cExplanation: An ...
View QuestionSand in mortar helps in adjusting the strength requirements:
a) Trueb) False Answer: aExplanation: The grade and amount of sane used in making mortar ...
View QuestionAn ideal sand should comprise of which of the following grain types?
a) Cubical, fineb) Angular, coarsec) Round, coarsed) Irregular, fine Answer: bExplanation: For sand to be ...
View QuestionThe fineness modulus of sand lies in the range:
a) 1-2b) 0.5-1c) 2-3d) 2.5-3.5 Answer: cExplanation: Fineness modulus is an index number which represents ...
View QuestionWhat effect does bulking have on fresh concrete?
a) Strength reducesb) Shrinkage increasesc) Volume reducesd) Workability increases Answer: dExplanation: The excess water in ...
View QuestionSand does not show any bulking when:
a) Completely saturatedb) Partially saturatedc) Contains small amount of impuritiesd) Voids are partially filled with air
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