Questions and answers for exam Preparation

MCQs

Total Questions : 1012 | Page 5 of 102 pages

Question 41. Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is

(i) and (ii)
(ii) and (iii)
only (iii)
All (i), (ii) and (iii)

Discuss Question

Answer: Option A. -> (i) and (ii)

Question 42. In counterfort type retaining wallsi) the vertical slab is designed as a continuous slabii) the heel slab is designed as a continuous slabiii) the vertical slab is designed as a cantileveriv) the heel slab is designed as a cantileverThe correct answer is

(i) and (ii)
(i) and (iv)
(ii) and (iii)
(iii) and (iv)

Discuss Question

Answer: Option A. -> (i) and (ii)

Question 43. In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum The correct answer is

(i) and (iii)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)

Discuss Question

Answer: Option A. -> (i) and (iii)

Question 44. Sinking of an intermediate support of a continuous beami) reduces the negative moment at supportii) increases the negative moment at supportiii) reduces the positive moment at center of spaniv) increases the positive moment at center of span The correct answer is

(i) and (iii)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)

Discuss Question

Answer: Option B. -> (i) and (iv)

Question 45. The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shear The correct answer is

only (i)
(i) and (ii)
(i) and (iii)
(i), (ii) and (iii)

Discuss Question

Answer: Option D. -> (i), (ii) and (iii)

Question 46. In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided oni) bottom face near counterfortii) top face near counterfortiii) bottom face near centre of spaniv) top face near centre of span The correct answer is

only (i)
only (ii)
both (i) and (iv)
both (ii) and (iii)

Discuss Question

Answer: Option C. -> both (i) and (iv)

Question 47. Select the correct statement

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

Discuss Question

Answer: Option A. -> Elastic modulus of high tensile steel is nearly the same as that of mild steel

Question 48. The main reinforcement in the toe of a T- shaped R C. retaining wall is provided oni) top face parallel to the wallii) top face perpendicular to the walliii) bottom face paralleUo the walliv) bottom face perpendicular to the wallThe correct answer is

only (ii) is correct
(i) and (ii) are correct
(iii) and (iv) are correct
only (iv) is correct

Discuss Question

Answer: Option D. -> only (iv) is correct

Question 49. Select the incorrect statement

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

Discuss Question

Answer: Option D. -> none of the above

Question 50. Select the incorrect statement

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

Discuss Question

Answer: Option D. -> none of the above