A. 1:2
B. 1:4
C. 1:6
D. 1:8
✅ The correct answer is option A.
Building Materials and Construction MCQs
2. After storage, the strength of cement________________?
A. decreases
B. increases
C. remains same
D. may increase or decrease
✅ The correct answer is option A.
3. Number of vertical joints in a stretcher course is x times the number of joints in the header course, where x is equal to_________________?
A. 1/2
B. 1
C. 2
D. 1/4
✅ The correct answer is option A.
4. Pug mill is used for_______________?
A. preparation of clay
B. moulding of clay
C. drying of bricks
D. burning of bricks
✅ The correct answer is option A.
5. The most important tool in brick laying for lifting and spreading mortar and for forming joints is____________?
A. trowel
B. square
C. bolster
D. scutch
✅ The correct answer is option A.
6. Higher pitch of the roof (1) results in stronger roof (2) results in weaker roof (3) requires more covering material (4) requires less covering material The correct answer is___________?
A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4)
✅ The correct answer is option A.
7. Quartitze is a_____________?
A. silicious rock
B. argillaceous rock
C. calcareous rock
D. aqueous rock
✅ The correct answer is option A.
8. In which of the following directions, the strength of timber is maximum ?
A. parallel to grains
B. 45° to grains
C. perpendicular to grains
D. same in all directions
✅ The correct answer is option A.
9. Paints with white lead base are suitable for painting of______________________?
A. wood work
B. iron work
C. both wood work and iron work
D. none of the above
✅ The correct answer is option A.
10. The disease of dry rot in timber is caused by_____________?
A. lack of ventilation
B. alternate wet and dry conditions
C. complete submergence in water
D. none of the above
✅ The correct answer is option A.