Question 1

If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is

Accepted Answer

A) 0.3 H 
B) 0.4 H 
C) 0.5 H 
D) 0.7 H 
A) 0.3 H 
B) 0.4 H 
C) 0.5 H 
D) 0.7 H D

Question 2

If p1 is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit p2 is

Accepted Answer

A)  wh(1?cos?)/(1+sin?) 
B)  wh(1?sin?)/(1+sin?) 
C)  wh(1?tan?)/(1+tan?) 
D)  w(1?sin?)/h(1+sin?) 
A)  wh(1?cos?)/(1+sin?) 
B)  wh(1?sin?)/(1+sin?) 
C)  wh(1?tan?)/(1+tan?) 
D)  w(1?sin?)/h(1+sin?) B

Question 3

The maximum shear stress (qmax) in a rectangular beam is

Accepted Answer

A) 1.25 times the average 
B) 1.50 timesthe average 
C) 1.75 timesthe average 
D) 2.0 times theaverage 
A) 1.25 times the average 
B) 1.50 timesthe average 
C) 1.75 timesthe average 
D) 2.0 times theaverage B

Question 4

For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 5 
A) 1 
B) 2 
C) 3 
D) 5

Question 5

Cantilever retaining walls can safely be used for a height not more than

Accepted Answer

A) 3 m 
B) 4 m 
C) 5 m 
D) 6 m 
A) 3 m 
B) 4 m 
C) 5 m 
D) 6 m

Question 6

According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than

Accepted Answer

A) 20 cm 
B) 30 cm 
C) 40 cm 
D) 75 cm 
A) 20 cm 
B) 30 cm 
C) 40 cm 
D) 75 cm

Question 7

An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

Accepted Answer

A) 25° 
B) 35° 
C) 45° 
D) 55° 
A) 25° 
B) 35° 
C) 45° 
D) 55°

Question 8

If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is

Accepted Answer

A) K/x (1 + x/d) + bw 
B) Kx (1 - x/l) + bw 
C) Kx (1 + x/l) + bw 
D) All the above 
A) K/x (1 + x/d) + bw 
B) Kx (1 - x/l) + bw 
C) Kx (1 + x/l) + bw 
D) All the above

Question 9

An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is

Accepted Answer

A) 8.3 kg/cm2 
B) 7.6 kg/cm2 
C) 21.5 kg/cm2 
D) 11.4 kg/cm2 
A) 8.3 kg/cm2 
B) 7.6 kg/cm2 
C) 21.5 kg/cm2 
D) 11.4 kg/cm2

Question 10

The length of the straight portion of a bar beyond the end of the hook, should be at least

Accepted Answer

A) Twice thediameter 
B) Thrice thediameter 
C) Four times the diameter 
D) Seventimes the diameter 
A) Twice thediameter 
B) Thrice thediameter 
C) Four times the diameter 
D) Seventimes the diameter

Question 11

If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)

Accepted Answer

A) $\frac{{\text{M}}}{{10\sqrt {\text{Q}} }}$ 
B) $\frac{{\text{M}}}{{10\sqrt {\text{Q}} }}$. 
C) $\sqrt {\frac{{\text{M}}}{{\text{Q}}}} $. 
D) $\sqrt {\frac{{\text{M}}}{{100{\text{Q}}}}} $ 
A) $\frac{{\text{M}}}{{10\sqrt {\text{Q}} }}$ 
B) $\frac{{\text{M}}}{{10\sqrt {\text{Q}} }}$. 
C) $\sqrt {\frac{{\text{M}}}{{\text{Q}}}} $. 
D) $\sqrt {\frac{{\text{M}}}{{100{\text{Q}}}}} $

Question 12

In a doubly-reinforced beam if and is the effective depth and is depth of critical neutral axis, the following relationship holds good

Accepted Answer

A) mc/t = n/(d - n) 
B) (m + c)/t = n/(d + n) 
C) (t + c)/n = (d + n)/n 
D) mc/t = (d - n)/t 
A) mc/t = n/(d - n) 
B) (m + c)/t = n/(d + n) 
C) (t + c)/n = (d + n)/n 
D) mc/t = (d - n)/t

Question 13

In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength

Accepted Answer

A) 100 kg/cm2 
B) 200 kg/cm2 
C) 300 kg/cm2 
D) 400 kg/cm2 
A) 100 kg/cm2 
B) 200 kg/cm2 
C) 300 kg/cm2 
D) 400 kg/cm2

Question 14

A raft foundation is provided if its area exceeds the plan area of the building by

Accepted Answer

A) 10 % 
B) 20 % 
C) 40 % 
D) 50% 
A) 10 % 
B) 20 % 
C) 40 % 
D) 50%

Question 15

According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is

Accepted Answer

A) 5 kg/cm2 
B) 10 kg/cm2 
C) 15 kg/cm2 
D) 20 kg/cm2 
A) 5 kg/cm2 
B) 10 kg/cm2 
C) 15 kg/cm2 
D) 20 kg/cm2

Question 16

The width of the flange of a T-beam should be less than

Accepted Answer

A) One-third of the effective span of the T-beam 
B) Distance between the centres of T-beam 
C) Breadth of the rib plus twelve times the thickness of the slab 
D) Least of theabove 
A) One-third of the effective span of the T-beam 
B) Distance between the centres of T-beam 
C) Breadth of the rib plus twelve times the thickness of the slab 
D) Least of theabove

Question 17

The maximum area of tension reinforcement in beams shall not exceed

Accepted Answer

A) 0.15 % 
B) 1.5 % 
C) 4 % 
D) 1 % 
A) 0.15 % 
B) 1.5 % 
C) 4 % 
D) 1 %

Question 18

The percentage of minimum reinforcement of the gross sectional area in slabs, is

Accepted Answer

A) 0.10 % 
B) 0.12 % 
C) 0.15 % 
D) 0.18% 
A) 0.10 % 
B) 0.12 % 
C) 0.15 % 
D) 0.18%

Question 19

Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to

Accepted Answer

A) Shear force 
B) Area of the section 
C) Distance of the C.G. of the area from its neutralaxis 
D) Moment of the beam section about its neutral axis 
A) Shear force 
B) Area of the section 
C) Distance of the C.G. of the area from its neutralaxis 
D) Moment of the beam section about its neutral axis

Question 20

The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes

Accepted Answer

A) With the horizontal 
B) With the vertical 
C) With the perpendicular to the inclined plane of the soil 
D) None of these 
A) With the horizontal 
B) With the vertical 
C) With the perpendicular to the inclined plane of the soil 
D) None of these

If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is

If p₁ is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit p² is

The maximum shear stress (qmax) in a rectangular beam is

For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

Cantilever retaining walls can safely be used for a height not more than

According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than

An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is

The length of the straight portion of a bar beyond the end of the hook, should be at least

If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)

In a doubly-reinforced beam if and is the effective depth and is depth of critical neutral axis, the following relationship holds good

In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength

A raft foundation is provided if its area exceeds the plan area of the building by

According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is

The width of the flange of a T-beam should be less than

The maximum area of tension reinforcement in beams shall not exceed

The percentage of minimum reinforcement of the gross sectional area in slabs, is

Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to

The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes

Concrete Design and Construction

Civil Engineering Design and Analysis

Design and Reinforcement of Concrete Structures

Concrete Design and Analysis

Concrete Design and Structural Analysis

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Exam 5: Concrete Beam and Structural Design

If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is

If p1 is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit p2 is

The maximum shear stress (qmax) in a rectangular beam is

For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

Cantilever retaining walls can safely be used for a height not more than

According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than

An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is

The length of the straight portion of a bar beyond the end of the hook, should be at least

If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)

In a doubly-reinforced beam if and is the effective depth and is depth of critical neutral axis, the following relationship holds good

In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength

A raft foundation is provided if its area exceeds the plan area of the building by

According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is

The width of the flange of a T-beam should be less than

The maximum area of tension reinforcement in beams shall not exceed

The percentage of minimum reinforcement of the gross sectional area in slabs, is

Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to

The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes

Concrete Design and Construction

Civil Engineering Design and Analysis

Design and Reinforcement of Concrete Structures

Concrete Design and Analysis

Concrete Design and Structural Analysis

Filters

If p₁ is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit p² is