Select the correct statement?

Related Mcqs:

1. 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

2. Select the incorrect statement?

   A. Lean mixes bleed more as compared to rich ones
   B. Bleeding can be minimized by adding pozzuolana finer aggregate
   C. Bleeding can be increased by addition ‘of calcium chloride
   D. none of the above

3. Select the incorrect statement?

   A. The loss of prestress is more in pre-tensioning system than in post-tensioning system.
   B. Pretensioning system has greater certainty about its durability.
   C. For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system
   D. none of the above

4. As compared to ordinary portland cement, use of pozzuolanic cement_______________?

   A. reduces workability
   B. increases bleeding
   C. increases shrinkage
   D. increases strength

5. Modulus of rupture of concrete is a measure of_______________?

   A. flexural tensile strength
   B. direct tensile strength
   C. compressive strength
   D. split tensile strength

6. For walls, columns and vertical faces of all structural members, the form work is generally removed after_______________?

   A. 24 to 48 hours
   B. 3 days
   C. 7 days
   D. 14 days

7. According to IS : 456-1978, the fiexural strength of concrete is________________?

   A. directly proportional to compressive strength
   B. inversely proportional to compressive strength
   C. directly proportional to square root of compressive strength
   D. inversely proportional to square root of compressive strength

8. The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone_________________?

   A. compressive stress
   B. shear stress
   C. bond stress
   D. tensile stress

9. According to Whitney’s theory, depth of stress block for a balanced section of a concrete beam is limited to_______________?

   A. 0.43 d
   B. 0.537 d
   C. 0.68 d
   D. 0.85 d

   where d is effective depth of beam[ES 2k]

10. In a ring beam subjected to uniformly distributed load______________?

    1. shear force at mid span is zero
    2. shear force at mid span is maximum
    3. torsion at mid span is zero
    4. torsion at mid span is maximum
    The correct answer is ?

    A. (1) and (3)
    B. (1) and (4)
    C. (2) and (3)
    D. (2) and (4)