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- A good building stone should not absorb water more than 5 %
- The practical limit of moisture content achieved in air drying of timber is 15 %
- Le Chatelier’s device is used for determining the soundness of cement
- According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than 16 MPa
- The slump recommended for mass concrete is about 25 mm to 50 mm
- The number of bricks required per cubic meter of brick masonary is 500
- The type of bond provided in brick masonry for carrying heavy loads is English bond
- The proportions of lime and sand in the mortar normally used in brick construction are 1:2
- The type of footing which is used to transmit heavy loads through steel columns is grillage foundation
- The minimum depth of foundation in clayey soils is 0.9 m
- The maximum total settlement for raft foundation on clayey soils should be limited to 65 to 100 mm
- The bearing capacity of a water logged soil can be improved by draining the soil
- Swelling of bricks is known as bloating
- In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to replace the poor soil
- Sum of tread and rise must lie between 400 to 450 mm
- Sand in mortar is needed for decreasing the quantity of cement.
