# Practice Test: Question Set - 10

**1. Based on punching shear consideration, the overall depth of a combined footing under a column**

*A*, is- (A) (Area of the
column

*A*× Safe punching stress)/Load on column

*A*

- (B) (Perimeter
of column

*A*× Safe punching stress)/(Load on column

*A*+ Upward pressure × Area of the column)

- (C) (Perimeter
of column

*A*× Safe punching stress)/(Load on column

*A*× Upward pressure × Area of the column)

- (D) None of
these

**2. Pick up the correct statement from the following:**

- (A) A pile is a
slender member which transfers the load through its lower end on a strong
strata

- (B) A pile is a
slender member which transfers its load to the surrounding soil

- (C) A pile is a
slender member which transfers its load by friction

- (D) A
pile is a cylindrical body of concrete which transfers the load at a depth
greater than its width

**3. In a combined footing if shear stress exceeds 5 kg/cm**

^{2}, the nominal stirrups provided are:- (A) 6 legged

- (B) 8 legged

- (C) 10 legged

- (D) 12 legged

**4. The weight of reinforced concrete, is generally taken as**

- (A) 2200 kg/m

^{3}

- (B) 2300 kg/m

^{3}

- (C) 2400 kg/m

^{3}

- (D) 2500 kg/m

^{3}

**5. If**

*W*is the load on a circular slab of radius*R*, the maximum circumferential moment at the centre of the slab, is- (A)

*WR²*/16

- (B) 2

*WR²*/16

- (C) 3

*WR²*/16

- (D) Zero

**6. If ‘**

*W’*is weight of a retaining wall and ‘*P’*is the horizontal earth pressure, the factor of safety against sliding, is- (A) 1.0

- (B) 1.25

- (C) 1.5

- (D) 2.0

**7. The effective span of a simply supported slab, is**

- (A) Distance
between the centers of the bearings

- (B) Clear
distance between the inner faces of the walls plus twice the thickness of the
wall

- (C) Clear span
plus effective depth of the slab

- (D) None of
these

**8. In a beam the local bond stress**

*S*, is equal to_{b}- (A) Shear
force/(Leaver arm × Total perimeter of reinforcement)

- (B) Total
perimeter of reinforcement/(Leaver arm × Shear force)

- (C) Leaver
arm/(Shear force × Total perimeter of reinforcement)

- (D) Leaver
arm/(Bending moment × Total perimeter of reinforcement)

**9. A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is**

- (A) 2.5

- (B) 2.0

- (C) Less than 2

- (D) Less than
2.5

**10. With usual notations the depth of the neutral axis of a balanced section, is given by**

- (A)

*mc*/

*t*= (

*d*-

*n*)/

*n*

- (B)

*t*/

*mc*= (

*d*-

*n*)/

*n*

- (C)

*t*/

*mc*= (

*d*+

*n*)/

*n*

- (D)

*mc*/

*t*=

*n*/(

*d*-

*n*)

**11. Pick up the true statement from the following:**

- (A) Plain
ceiling provides the best property diffusing light

- (B) In the
absence of beams, it is easier to install piping

- (C) In the
absence of beams, it is easier to paint

- (D) All the
above

**12. If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm**

^{2}, the length of the beam having nominal reinforcement, is- (A) 12 cm

- (B) 6 cm

- (C) 8 cm

- (D) 10 cm

**13. If the length of a wall on either side of a lintel opening is at least half of its effective span**

*L*, the load*W*carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment- (A)

*WL*/2

- (B)

*WL*/4

- (C)

*WL*/6

- (D)

*WL*/8

**14. The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called**

- (A) Balanced
section

- (B) Economic
section

- (C) Critical
section

- (D) All the
above

**15. The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or**

- (A) 12 bar
diameters

- (B) 18 bar
diameters

- (C) 24 bar
diameters

- (D) 30 bar
diameters

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