Recent questions in Structural Engineering / GO Civil

1 votes

0 answers

81

GATE2019 CE-2: 5
A closed thin-walled tube has thickness, $t$, mean enclosed area within the boundary of the centerline of tube’s thickness, $A_m$, and shear stress, $\tau$. Torsional moment of resistance, $T$, of the section would be $0.5 \tau A_m t$ $\tau A_m t$ $2 \tau A_m t$ $4 \tau A_m t$

A closed thin-walled tube has thickness, $t$, mean enclosed area within the boundary of the centerline of tube’s thickness, $A_m$, and shear stress, $\tau$. Torsional m...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

82

GATE2019 CE-2: 6
A steel column is restrained against both translation and rotation at one end and is restrained only against rotation but free to translate at the other end. Theoretical and design $(\text{IS}:800-2007)$ values, respectively, of effective length factor of the column are $1.0$ and $1.0$ $1.2$ and $1.0$ $1.2$ and $1.2$ $1.0$ and $1.2$

A steel column is restrained against both translation and rotation at one end and is restrained only against rotation but free to translate at the other end. Theoretical ...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

83

GATE2019 CE-2: 7
If the fineness modulus of a sample of fine aggregates is $4.3$, the mean size of the particles in the sample is between $150 \: \mu m$ and $300 \: \mu m$ $300 \: \mu m$ and $600 \: \mu m$ $1.18 \: mm$ and $2.36 \: mm$ $2.36 \: mm$ and $4.75\: mm$

If the fineness modulus of a sample of fine aggregates is $4.3$, the mean size of the particles in the sample is between$150 \: \mu m$ and $300 \: \mu m$$300 \: \mu m$ an...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

84

GATE2019 CE-2: 8
For a channel section subjected to a downward vertical shear force at its centroid, which one of the following represents the correct distribution of shear stress in flange and web?

For a channel section subjected to a downward vertical shear force at its centroid, which one of the following represents the correct distribution of shear stress in flan...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

85

GATE2019 CE-2: 20
The degree of static indeterminacy of the plane frame as shown in the figure is ________

The degree of static indeterminacy of the plane frame as shown in the figure is ________

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

86

GATE2019 CE-2: 21
The characteristic compressive strength of concrete required in a project is $25 \: MPa$ and the standard deviation in the observed compressive strength expected at site is $4 \: MPa$. The average compressive strength of cubes tested at different water-cement (w/c) ... The water-cement ratio (in percent, round off to the lower integer) to be used in the mix is ______

The characteristic compressive strength of concrete required in a project is $25 \: MPa$ and the standard deviation in the observed compressive strength expected at site ...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

87

GATE2019 CE-2: 29
For a plane stress problem, the state of stress at a point P is represented by the stress element as shown in figure. By how much angle $( \theta)$ in degrees the stress element should be rotated in order to get the planes of maximum shear stress? $13.3$ $26.6$ $31.7$ $48.3$

For a plane stress problem, the state of stress at a point P is represented by the stress element as shown in figure.By how much angle $( \theta)$ in degrees the stress e...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

88

GATE2019 CE-2: 30
The critical bending compressive stress in the extreme fibre of a structural steel section is $1000 \: MPa$. It is given that the yield strength of the steel is $250 \: MPa$, width of flange is $250 \: mm$ and thickness of flange is $15 \: mm$. As per the provisions of $IS:800-2007$, the non-dimensional slenderness ratio of the steel cross-section is $0.25$ $0.50$ $0.75$ $2.00$

The critical bending compressive stress in the extreme fibre of a structural steel section is $1000 \: MPa$. It is given that the yield strength of the steel is $250 \: M...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

89

GATE2019 CE-2: 31
In the context of provisions relating to durability of concrete, consider the following assertions: $\textbf{Assertions:(1)}: $ As per $IS \: 456-2000$, air entrainment to the extent of $3 \%$ to $6 \%$ is required for concrete exposed to marine environment. ... and Assertion (2) is FALSE Both Assertion (1) and Assertion (2) are FALSE Both Assertion (1) and Assertion (2) are TRUE

In the context of provisions relating to durability of concrete, consider the following assertions:$\textbf{Assertions:(1)}: $ As per $IS \: 456-2000$, air entrainment to...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

90

GATE2019 CE-2: 36
A long uniformly distributed load of $10 \: kN/m$ and a concentrated load of $60 \: kN$ are moving together on the beam ABCD shown in the figure (not drawn to scale). The relative positions of the two loads are not fixed. The maximum shear force (in $kN$, round off to the nearest integer) caused at the internal hinge B due to the two loads is _________

A long uniformly distributed load of $10 \: kN/m$ and a concentrated load of $60 \: kN$ are moving together on the beam ABCD shown in the figure (not drawn to scale). The...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

91

GATE2019 CE-2: 37
A plane frame shown in the figure (not to scale) has linear elastic springs at node H. The spring constants are $k_x = k_y = 5 \times 10^5 kN/m$ and $k_{\theta} =3 \times 10^5 \: kNm/rad$. For the externally applied moment of $30 \: kNm$ at node F, the rotation (in degrees, round off to $3$ decimals) observed in the rotational spring at node H is ______

A plane frame shown in the figure (not to scale) has linear elastic springs at node H. The spring constants are $k_x = k_y = 5 \times 10^5 kN/m$ and $k_{\theta} =3 \times...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

92

GATE2019 CE-2: 38
A rolled $I$-section beam is supported in a $75 \: mm$ wide bearing plate as shown in the figure. Thicknesses of flange and web of the $I$ section $20 \: mm$ and $8 \: mm$, respectively. Root radius of the $I$-section is $10 \: mm$. Assume: material ... $IS: 800-2007$, the web bearing strength (in $kN$, round off to $2$ decimal places) of the beam is __________

A rolled $I$-section beam is supported in a $75 \: mm$ wide bearing plate as shown in the figure. Thicknesses of flange and web of the $I$ section $20 \: mm$ and $8 \: mm...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

93

GATE2019 CE-2: 39
When a specimen of $M25$ concrete is loaded to a stress level of $12.5 \: MPa$, a strain of $500 \times 10^{-6}$ is recorded. If this load is allowed to stand for a long time, the strain increases to $1000 \times 10^{-6}$. In ... with the provisions of $IS:456-2000$, considering the long-term effects, the effective modulus of elasticity of the concrete (in $MPa$) is _________

When a specimen of $M25$ concrete is loaded to a stress level of $12.5 \: MPa$, a strain of $500 \times 10^{-6}$ is recorded. If this load is allowed to stand for a long ...

Arjun

13.0k points

Arjun asked Feb 12, 2019

0 votes

0 answers

94

GATE2016-2-6
The kinematic indeterminacy of the plane truss shown in the figure is $11$ $8$ $3$ $0$

The kinematic indeterminacy of the plane truss shown in the figure is$11$$8$$3$$0$