SSC-JUNIOR ENGINEER (Civil & Structural) Online Exam 2017 (Part-IV)

Total Questions: 50

31. Read the question given below

Correct Answer: C.

32. The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth are 62.5 kg/cm² and 250 kg/cm² respectively. If m = 15 , the depth of its neutral axis is

Correct Answer: C. 30 cm

33. A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

Correct Answer: A. remains within the flange

34. If the maximum bending moment of a simply supported slab is M Kg. cm, the effective depth of the slab is: (It is given that Q is M.R. factor)

Correct Answer: D. None of these

35. The percentage of minimum reinforcement should of the gross sectional area in slabs is

Correct Answer: C. 0.0015

36. In a combined footing if shear stress does not exceed 5 kg /cm², the nominal stirrups provided are

Correct Answer: B. 8 legged

37. On piles, the drop must be at least

Correct Answer: C. 120 cm

38. Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of

Correct Answer: B. h/3

39. The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span is

Correct Answer: B. 2/3

40. The maximum deflection of a simply supported beam of span L carrying an isolated load at the centre of the span, flexural rigidity being El is

Correct Answer: D. WL³/48EI