Building Construction

81) Admixtures that cause early setting and hardening of concrete are called

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accelerators

82) The compressive strength of 100 mm cube as compared to 150 mm cube is always

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more

83) The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called

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bleeding

84) The property of the ingredients to separate from each other while placing the concrete is called

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segregation

85) Increase in the moisture content in concrete

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reduces the strength

86) The most commonly used admixture which prolongs the setting and hardening time is

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gypsum

87) Poisson’s ratio for concrete

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Increases with richer mixes

88) As compared to ordinary Portland cement, high alumina cement has

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Higher initial setting time but lower final setting time

89) The approximate value of the ratio between direct tensile strength and flexural strength is

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0.5

90) Approximate value of shrinkage strain for concrete, is

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0.0003

Subject Notes

→ Hydraulics → Structural Design-RCC → Irrigation Engineering → Highway Engineering → Engineering Survey → Water supply & sanitary → Soil Mechanics → Mechanics and structure → Construction Management → Building Construction → Estimating and Costing → Engineering Drawing → Building Material → Airport Engineering

Objective Box

→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

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