# 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 Î¸° with horizontal where Î¸° 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*q*at the ends, the distance from either end over which stirrups for the shear, are provided, is_{max}- (A) (

*L*/2) (1 - 3/

*q*)

_{max}- (B) (

*L*/3) (1 - 5/

*q*)

_{max}- (C) (

*L*/2) (1 - 5/

*q*)

_{max}- (D) (

*L*/2) (1 - 2/

*q*)

_{max}**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*√(

*R*²

*+*

*T*²)/

*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) 8

*hp*/

*l*

- (B) 8

*hp*/

*l²*

- (C) 8

*hl*/

*p*

- (D) 8

*hl*/

*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 +

*r*)

^{3}*M*

- (D) (5/6) (

*r²*/1 +

*r*)

^{4}*M*

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