Finer grinding of cement______________?

Related Mcqs:

1. Strength of concrete increases with________________?

   A. increase in water-cement ratio
   B. increase in fineness of cement
   C. decrease in curing time
   D. decrease in size of aggregate

2. Admixtures which cause early setting, and hardening of concrete are called_______________?

   A. workability admixtures
   B. accelerators
   C. retarders
   D. air entraining agents

3. 1% of voids in a concrete mix would reduce its strength by about______________?

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

4. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is______________?

   A. 3.5 m
   B. 4 m
   C. 4.5 m
   D. 5 m

5. Minimum thickness of load bearing RCC wall should be_____________?

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

6. The diameter of ties in a column should be_______________?

   A. more than or equal to one fourth of diameter of main bar
   B. more than or equal to 5 mm
   C. more than 5 mm but less than one-fourth of diameter of main bar
   D. more than 5 mm and also more than one-fourth of diameter of main bar

7. In counterfort retaining walls, the main reinforcement in the stem at support is_______________?

   A. not provided
   B. provided only on inner face
   C. provided only on front face
   D. provided both on inner and front faces

8. In prestressed concrete______________?

   A. forces of tension and compression change but lever arm remains unchanged
   B. forces of tension and compressions remain unchanged but lever arm changes with the moment
   C. both forces of tension and compres-sion as well as lever arm change
   D. both forces of tension and compres-sion as well as lever arm remain unchanged

9. High carbon content in the steel causes_______________?

   A. decrease in tensile strength but increase in ductility
   B. increase in tensile strength but decrease in ductility
   C. decrease in both tensile strength and ductility
   D. increase in both tensile strength and ductility

10. Select the correct statement?

    A. Elastic modulus of high tensile steel is nearly the same as that of mild steel
    B. Elastic modulus of high tensile steel is more than that of mild steel
    C. Carbon percentage in high carbon steel is less than that in mild steel
    D. High tensile steel is cheaper than mild steel