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/l²
- (C) 8hl/p
- (D) 8hl/p²
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 + r²) M
- (B) (5/6) (r²/1 + r²) M
- (C) (5/6) (r²/1 + r3) M
- (D) (5/6) (r²/1 + r4) M
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