Construction Materials

181) Snowcem is

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coloured cement

182) The bulking of sand is due to

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the increase in space between the particles caused by the surface tension effect of moisture

183) the sand in mortar

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all the above

184) the increase in volume of dry sand when water is added is called

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bulking

185) The volume of one bag of cement weighing 50 kg is

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0.0345 m3

186) Plywood is identified by

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thickness

187) The small areas on painted surface enclosed by hair line cracks are called

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crazing

188) The defect in painting caused due to sliding of one layer of paint Over other is known as

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alligatoring

189) The cracks in the painted surface extending throughout the thic1ess of the paint are caused due to

Discuss in Comment

all the above

190) The steel used for making rail tracks is

Discuss in Comment

manganese steel

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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