Online MCQ Test on RCC Structure Design - Set 06 - ObjectiveBooks

# Practice Test: Question Set - 06

1. The advantage of reinforced concrete, is due to
(A) Monolithic character
(B) Fire-resisting and durability
(C) Economy because of less maintenance cost
(D) All the above

2. An R.C.C. column is treated as short column if its slenderness ratio is less than
(A) 30
(B) 35
(C) 40
(D) 50

3. The zone in which transverse bending is likely to occur may be obtained by drawing a line from the faces of the column making an angle θ° with horizontal where θ° is
(A) 30°
(B) 45°
(C) 60°
(D) None of these

4. The thickness of the topping of a ribbed slab, varies between
(A) 3 cm to 5 cm
(B) 5 cm to 8 cm
(C) 8 cm to 10 cm
(D) 12 cm to 15 cm

5. If the length of an intermediate span of a continuous slab is 5 m, the length of the end span is kept
(A) 4.5 m
(B) 4.0 m
(C) 3.5 m
(D) 3.0 m

6. If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is
(A) (L/2) (1 - 3/qmax)
(B) (L/3) (1 - 5/qmax)
(C) (L/2) (1 - 5/qmax)
(D) (L/2) (1 - 2/qmax)

7. The angle of internal friction of soil mass is the angle whose
(A) Tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
(B) Sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
(C) Cosine is equal to the ratio of the maximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane
(D) None of these

8. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
(A) 25
(B) 30
(C) 35
(D) 40

9. If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is
(A) w (R + T)/T
(B) w √(R² + T²)/T
(C) w √(R + T)/T
(D) w (R/T)

10. If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be.
(A) Straight below centroidal axis
(B) Parabolic with convexity downward
(C) Parabolic with convexity upward
(D) Straight above centroidal axis

11. For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed
(A) 10
(B) 15
(C) 20
(D) 25

12. If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the pre-stressed beam is L, the upward uniform pressure will be
(A) 8hp/l
(B) 8hp/
(C) 8hl/p
(D) 8hl/

13. If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is
(A) 200 cm
(B) 300 cm
(C) 150 cm
(D) 100 cm

14. The steel generally used in R.C.C. work, is
(A) Stainless
(B) Mild steel
(C) High carbon steel
(D) High tension steel

15. If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by
(A) (5/6) (r/1 + ) M
(B) (5/6) (/1 + ) M
(C) (5/6) (/1 + r3) M
(D) (5/6) (/1 + r4) M

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