204.  Bulking of sand is
A. mixing of different sizes of sand particles
B. mixing of lime with sand
C. maximum water with sand
D. swelling of sand when wetted

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205.  Slump test of concrete is a measure of its
A. consistency
B. c pressive strength
C. tensile strength
D. impact value

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206.  For ensuring quality of concrete, use
A. single sized aggegates
B. two sized aggregate
C. graded aggregates
D. coarse aggregates

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207.  The commonly used material in the manufacture of cement is
A. sand stone
B. slate
C. lime stone
D. graphite

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208.  Ordinary Portland cement is manufactured from
A. lime stone and clay
B. gypsum and lime
C. pozzolana
D.B lime, parzolana and clay

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209.  Workability of concrete is measured by
A. Vicat apparatus test
B. Slump test
C. Minimum void method
D. Talbot Richard test

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210.  Specified compressive strengh of concrete is obtained from cube tests at the end of
A. 3 days
B. 7 days
C. 14 days
D. 28 days

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