Construction Materials

91) Jumper is a tool used for

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quarrying of stones

92) The important test to be conducted on a stone used in docks and harbours is

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weight test

93) A good building stone should not absorb water more than

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5%

94) Increase in fineness of cement

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decreases the rate of strength development and increases the bleeding of cement

95) The role of superplasticizer in a cement paste is to

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disperse the particles, remove air bubbles and to retard setting

96) Before testing setting time of cement one should test for

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consistency

97) A gauged mortar is obtained by adding which of the following ingredients to cement?

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sand and lime

98) Polyvinyl chloride (PVC) is a

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thermoplastic material

99) Seasoning of timber is required to

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remove sap from the timber

100) Which of the following test is used to determine the rate of wear of stones?

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attrition test

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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