Specific gravity for most of the building stones lies between_____________?

Related Mcqs:

1. The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as______________?

   A. quarrying of stones
   B. blasting of stones
   C. seasoning of stones
   D. dressing of stones

2. The pressure acting on the stones in stone masonry construction should be_____________?

   A. along the direction of bedding planes
   B. at 45° to the direction of bedding planes
   C. at 60° to the direction of bedding planes
   D. perpendicular to the direction of bedding planes

3. A good building stone should not absorb water more than_____________?

   A. 5%
   B. 10%
   C. 15%
   D. 20%

4. Granite is not suitable for ordinary building purpose because_______________?

   A. it can not be polished
   B. it is not a fire proof material
   C. it is costly
   D. it has less crushing strength

5. Crushing strength of a good building stone should be more than____________?

   A. 50 MPa
   B. 100 MPa
   C. 150 MPa
   D. 200 MPa

6. Percentage of silica in a good brick earth lies between_______________?

   A. 5 to 10%
   B. 20 to 30%
   C. 50 to 60%
   D. 70 to 80%

7. The percentage of alumina in a good brick earth lies between________________?

   A. 5 to 10%
   B. 20 to 30%
   C. 50 to 60%
   D. 70 to 80%

8. The internal size of mould used in brick preparation is__________________?

   A. equal to the size of a fully burnt brick
   B. smaller than the size of a fully burnt brick
   C. greater than the size of a fully burnt brick
   D. none of the above

9. The ultimate tensile strength of structural mild steel is about_________________?

   A. 160N/mm2
   B. 260N/mm2
   C. 420 N/mm2
   D. 520 N/mm2

10. The minimum depth of foundation in clayey soils is_______________?

    A. 0.5 m
    B. 0.7 m
    C. 0.9 m
    D. 1.2 m