Which of the following stone is best suited for construction of piers and abutments of a railway bridge ?

Related Mcqs:

1. 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

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

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

3. The stone suitable for rubble masonry should be____________?

   A. hard
   B. tough
   C. heavy
   D. light

4. The important test to be conducted on a stone used in docks and harbors is________________?

   A. hardness test
   B. work ability test
   C. weight test
   D. toughness test

5. 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

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

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

7. The proportions of lime and sand in the mortar normally used in brick construction are_______________?

   A. 1:2
   B. 1:4
   C. 1:6
   D. 1:8

8. In the construction of arches, sand box method is used for________________?

   A. centring
   B. actual laying of arch work
   C. striking of centring
   D. none of the above

9. Which of the following sedimentary rocks changes into quartzite by metamorphic action ?

   A. sand stone
   B. lime stone
   C. shale
   D. gypsum

10. Which of the following should be used for hearting of thicker walls ?

    A. headers
    B. stretchers
    C. brick bats
    D. queen closer