Hot questions in Structural Engineering

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1

GATE2017 CE-2-41
Two plates od $8$ mm thickness each are connected by a fillet weld of $6$ mm thickness as shown in the figure. The permissible stresses in the plate and the weld are $150$ MPa and $110$ MPa, respectively. Assuming the length of the weld shown in the figure to be the effective length, the permissible load $P$ (in kN) is ______

Two plates od $8$ mm thickness each are connected by a fillet weld of $6$ mm thickness as shown in the figure. The permissible stresses in the plate and the weld are $150...

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gatecse asked Aug 7, 2019

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2

GATE Civil 2021 Set 2 | Question: 39
A perfectly flexible and inextensible cable is shown in the figure (not to scale). The external loads at $\text{F}$ and $\text{G}$ are acting vertically. The magnitude of tension in the cable segment $\text{FG}$ (in $\text{kN}, \textit{round off to two decimal places}$) is ________________________

A perfectly flexible and inextensible cable is shown in the figure (not to scale). The external loads at $\text{F}$ and $\text{G}$ are acting vertically.The magnitude of ...

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go_editor asked Mar 1, 2021

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3

GATE Civil 2021 Set 2 | Question: 6
Strain hardening of structural steel means experiencing higher stress than yield stress with increased deformation strengthening steel member externally for reducing strain experienced strain occurring before plastic flow of steel material decrease in the stress experienced with increasing strain

Strain hardening of structural steel meansexperiencing higher stress than yield stress with increased deformationstrengthening steel member externally for reducing strain...

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go_editor asked Mar 1, 2021

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4

GATE Civil 2021 Set 2 | Question: 7
A single story building model is shown in the figure. The rigid bar of mass $\text{m}$' is supported by three massless elastic columns whose ends are fixed against rotation. For each of the columns, the applied lateral force $\text{(P)}$ ... $6\sqrt{\frac{6EI}{mL^{3}}}\text{rad/s}$ $\frac{2}{L}\sqrt{\frac{EI}{m}}\text{rad/s}$

A single story building model is shown in the figure. The rigid bar of mass ‘$\text{m}$’ is supported by three massless elastic columns whose ends are fixed against r...

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go_editor asked Mar 1, 2021

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5

GATE Civil 2021 Set 2 | Question: 19
A solid circular torsional member $\text{OPQ}$ is subjected to torsional moments as shown in the figure (not to scale). The yield shear strength of the constituent material is $\text{160 MPa}$. The absolute maximum shear stress in the member (in $\text{MPa}$, $\textit{round off to one decimal place}$) is __________________________

A solid circular torsional member $\text{OPQ}$ is subjected to torsional moments as shown in the figure (not to scale). The yield shear strength of the constituent materi...

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go_editor asked Mar 1, 2021

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6

GATE Civil 2021 Set 2 | Question: 9
In case of bids in Two-Envelop System, the correct option is Technical bid is opened first Financial bid is opened first Both (Technical and Financial) bids are opened simultaneously Either of the two (Technical and Financial) bids can be opened first

In case of bids in Two-Envelop System, the correct option isTechnical bid is opened firstFinancial bid is opened firstBoth (Technical and Financial) bids are opened simul...

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go_editor asked Mar 1, 2021

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7

GATE Civil 2021 Set 2 | Question: 8
Seasoning of timber for use in construction is done essentially to increase strength and durability smoothen timber surfaces remove knots from timber logs cut timber in right season and geometry

Seasoning of timber for use in construction is done essentially toincrease strength and durabilitysmoothen timber surfacesremove knots from timber logscut timber in right...

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go_editor asked Mar 1, 2021

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8

GATE Civil 2021 Set 2 | Question: 38
A prismatic fixed-fixed beam, modelled with a total lumped-mass of $\text{10 kg}$ as a single degree of freedom $\text{(SDOF)}$ system is shown in the figure. If the flexural stiffness of the beam is $4 \pi ^{2}$ $\text{kN/m}$, its natural frequency of vibration (in $\text{Hz}$, $\textit{in integer}$) in the flexural mode will be ______________

A prismatic fixed-fixed beam, modelled with a total lumped-mass of $\text{10 kg}$ as a single degree of freedom $\text{(SDOF)}$ system is shown in the figure.If the flexu...

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go_editor asked Mar 1, 2021

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9

GATE Civil 2021 Set 2 | Question: 37
An elevated cylindrical water storage tank is shown in the figure. The tank has inner diameter of $\text{1.5 m}$. It is supported on a solid steel circular column of diameter $\text{75 mm}$ and total height $\text{(L)}$ of $\text{4m}$ ... $\text{(h)}$ of the water permissible (in $\text{m}$, $\textit{round off to one decimal place}$) is ________________________

An elevated cylindrical water storage tank is shown in the figure. The tank has inner diameter of $\text{1.5 m}$. It is supported on a solid steel circular column of diam...

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go_editor asked Mar 1, 2021

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10

GATE Civil 2021 Set 2 | Question: 29
A frame $\text{EFG}$ is shown in the figure. All members are prismatic and have equal flexural rigidity. The member $\text{FG}$ carries a uniformly distributed load $\text{w}$ per unit length. Axial deformation of any member is neglected. Considering the joint $\text{F}$ being ... $\text{0.375 wL}$ $\text{0.453 wL}$ $\text{0.482 wL}$ $\text{0.500 wL}$

A frame $\text{EFG}$ is shown in the figure. All members are prismatic and have equal flexural rigidity. The member $\text{FG}$ carries a uniformly distributed load $\tex...

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go_editor asked Mar 1, 2021

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11

GATE Civil 2021 Set 2 | Question: 43
An equipment has been purchased at an initial cost of $₹ 160000$ and has an estimated salvage value of $₹ 10000$. The equipment has an estimated life of $5$ years. The difference between the book values (in ₹, $\textit{in integer}$) ... at the end of $4^{\text{th}}$ year using straight line method and sum of years digit method of depreciation is______________

An equipment has been purchased at an initial cost of $₹ 160000$ and has an estimated salvage value of $₹ 10000$. The equipment has an estimated life of $5$ years. Th...

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go_editor asked Mar 1, 2021

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12

GATE Civil 2021 Set 2 | Question: 20
A propped cantilever beam $\text{XY}$, with an internal hinge at the middle, is carrying a uniformly distributed load of $\text{10 kN/m}$, as shown in the figure. The vertical reaction at support $\text{X}$ ( in $\text{kN}$, $\textit{in integer}$) is ___________

A propped cantilever beam $\text{XY}$, with an internal hinge at the middle, is carrying a uniformly distributed load of $\text{10 kN/m}$, as shown in the figure.The vert...

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go_editor asked Mar 1, 2021

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13

GATE Civil 2021 Set 2 | Question: 28
A prismatic steel beam is shown in the figure. The plastic moment, $M_{P}$ calculated for the collapse mechanism using static method and kinematic method is $M_{P,static}> \frac{2PL}{9}=M_{P,kinematic}$ $M_{P,static}= \frac{2PL}{9}\neq M_{P,kinematic}$ $M_{P,static}= \frac{2PL}{9}= M_{P,kinematic}$ $M_{P,static}< \frac{2PL}{9}= M_{P,kinematic}$

A prismatic steel beam is shown in the figure.The plastic moment, $M_{P}$ calculated for the collapse mechanism using static method and kinematic method is$M_{P,static} \...

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go_editor asked Mar 1, 2021

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14

GATE Civil 2021 Set 2 | Question: 41
A rectangular cross-section of a reinforced concrete beam is shown in the figure. The diameter of each reinforcing bar is $\text{16 mm}$. The values of modulus of elasticity of concrete and steel are $2.0 \times 10^{4} \text{ MPa}$ ... $\text{(x)}$ for the uncracked section (in $\text{mm}, \textit{round off to one decimal place}$) is ______________

A rectangular cross-section of a reinforced concrete beam is shown in the figure. The diameter of each reinforcing bar is $\text{16 mm}$. The values of modulus of elastic...

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go_editor asked Mar 1, 2021

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15

GATE Civil 2021 Set 2 | Question: 42
The activity details for a small project are given in the Table. ... $\text{days}, \textit{in integer}$) for project completion is __________________________

The activity details for a small project are given in the Table.$$\begin{array}{|cl|cI|cI|}\hline&\textbf{Activity} & \textbf{Duration (days)} & \textbf{Depends on} \\ \h...

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go_editor asked Mar 1, 2021

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16

GATE Civil 2021 Set 1 | Question: 42
A square plate $\text{O-P-Q-R}$ of a linear elastic material with sides $1.0\text{ m}$ is loaded in a state of plane stress. Under a given stress condition, the plate deforms to a new configuration $O-{P}'-{Q}'-{R}'$ as shown ... $\text{O-P-Q-R}$ (in $\text{mm}, \textit{round off to one decimal place}$) is __________________

A square plate $\text{O-P-Q-R}$ of a linear elastic material with sides $1.0\text{ m}$ is loaded in a state of plane stress. Under a given stress condition, the plate def...

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Arjun asked Feb 19, 2021

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17

GATE Civil 2021 Set 1 | Question: 41
Employ stiffness matrix approach for the simply supported beam as shown in the figure to calculate unknown displacements/rotations. Take length, $L=8\text{ m}$; modulus of elasticity, $E=3\times 10^{4} \text{N/mm}^{2}$ ... (in $\text{mm}, \textit{round off to integer}$) under $\text{P=100 kN}$ in downward direction will be _________________

Employ stiffness matrix approach for the simply supported beam as shown in the figure to calculate unknown displacements/rotations. Take length, $L=8\text{ m}$; modulus o...

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Arjun asked Feb 19, 2021

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18

GATE Civil 2021 Set 1 | Question: 39
A prismatic cantilever prestressed concrete beam of span length, $L = 1.5 \text{ m}$ has one straight tendon placed in the cross-section as shown in the following figure (not to scale). The total prestressing force of $50 \text{ kN}$ in the ... $\text{Mpa}, \textit{in integer}$) experienced at point $Q$' will be _____________

A prismatic cantilever prestressed concrete beam of span length, $L = 1.5 \text{ m}$ has one straight tendon placed in the cross-section as shown in the following figure ...

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Arjun asked Feb 19, 2021

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19

GATE Civil 2021 Set 1 | Question: 6
The direct and indirect costs estimated by a contractor for bidding a project is $₹160000$ and $₹20000$ respectively. If the mark up applied is $10\%$ of the bid price, the quoted price (in ₹) of the contractor is $200000$ $198000$ $196000$ $182000$

The direct and indirect costs estimated by a contractor for bidding a project is $₹160000$ and $₹20000$ respectively. If the mark up applied is $10\%$ of the bid pric...

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Arjun asked Feb 19, 2021

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20

GATE Civil 2021 Set 1 | Question: 30
Contractor $\text{X}$ is developing his bidding strategy against Contractor $\text{Y}$. The ratio of $\text{Y's}$ bid price to $\text{X's}$ cost for the $30$ previous bids in which Contractor $\text{X}$ has competed against Contractor $\text{Y}$ is given in the ... is $0\%$ more than $0\%$ but less than $50\%$ more than $50\%$ but less than $100\%$ $100\%$

Contractor $\text{X}$ is developing his bidding strategy against Contractor $\text{Y}$. The ratio of $\text{Y’s}$ bid price to $\text{X’s}$ cost for the $30$ previous...

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Arjun asked Feb 19, 2021

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21

GATE Civil 2021 Set 1 | Question: 22
A truss $\text{EFGH}$ is shown in the figure, in which all the members have the same axial rigidity $\text{R}$. In the figure, $\text{P}$ is the magnitude of external horizontal forces acting at joints $\text{F}$ ... of the horizontal displacement of joint $\text{G}$ (in $\text{mm}, \textit{round off to one decimal place}$) is _____________________

A truss $\text{EFGH}$ is shown in the figure, in which all the members have the same axial rigidity $\text{R}$. In the figure, $\text{P}$ is the magnitude of external hor...

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Arjun asked Feb 19, 2021

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22

GATE Civil 2021 Set 1 | Question: 21
The equation of deformation is derived to be $y=x^{2}-xL$ for a beam shown in the figure. The curvature of the beam at the mid-span (in units, in integer) will be _________________

The equation of deformation is derived to be $y=x^{2}-xL$ for a beam shown in the figure.The curvature of the beam at the mid-span (in units, in integer) will be ________...

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Arjun asked Feb 19, 2021

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23

GATE Civil 2021 Set 1 | Question: 5
Gypsum is typically added in cement to prevent quick setting enhance hardening increase workability decrease heat of hydration

Gypsum is typically added in cement toprevent quick settingenhance hardeningincrease workabilitydecrease heat of hydration

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Arjun asked Feb 19, 2021

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24

GATE Civil 2021 Set 1 | Question: 4
A propped cantilever beam $\text{EF}$ is subjected to a unit moving load as shown in the figure (not to scale). The sign convention for positive shear force at the left and right sides of any section is also shown. The $\text{CORRECT}$ qualitative nature of the influence line diagram for shear force at $\text{G}$ is

A propped cantilever beam $\text{EF}$ is subjected to a unit moving load as shown in the figure (not to scale). The sign convention for positive shear force at the left a...

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Arjun asked Feb 19, 2021

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25

GATE Civil 2021 Set 1 | Question: 20
The state of stress in a deformable body is shown in the figure. Consider transformation of the stress from the $\text{x-y}$ coordinate system to the $\text{X-Y}$ coordinate system. The angle $\theta$, locating the $\text{X}$-axis, is ... $\text{MPa}, \textit{round off to one decimal place}$) in $\text{x-y}$ coordinate system is ______________________

The state of stress in a deformable body is shown in the figure. Consider transformation of the stress from the $\text{x-y}$ coordinate system to the $\text{X-Y}$ coordin...

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Arjun asked Feb 19, 2021

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26

GATE Civil 2021 Set 1 | Question: 29
A wedge $\text{M}$ and a block $\text{N}$ are subjected to forces $\text{P}$ and $\text{Q}$ as shown in the figure. If force $\text{P}$ is sufficiently large, then the block $\text{N}$ can be raised. The weights of the wedge and the block are negligible ... $\alpha$' (rounded off to one decimal place) is $0.6$ $0.5$ $2.0$ $0.9$

A wedge $\text{M}$ and a block $\text{N}$ are subjected to forces $\text{P}$ and $\text{Q}$ as shown in the figure. If force $\text{P}$ is sufficiently large, then the bl...

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Arjun asked Feb 19, 2021

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27

GATE Civil 2021 Set 1 | Question: 38
Refer the truss as shown in the figure (not to scale). If load, $F=10\sqrt{3}\text{ kN}$, moment of inertia, $I=8.33\times 10^{6}\text{ mm}^4$, area of cross-section, $A=10^{4}\text{ mm}^2$, and length, $L=2\text{ m}$ ... members of the truss, the compressive stress (in $\text{kN/m}^2, \textit{in integer}$) carried by the member $\text{Q-R}$ is _______________

Refer the truss as shown in the figure (not to scale).If load, $F=10\sqrt{3}\text{ kN}$, moment of inertia, $I=8.33\times 10^{6}\text{ mm}^4$, area of cross-section, $A=1...

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Arjun asked Feb 19, 2021

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28

GATE Civil 2021 Set 1 | Question: 40
A column is subjected to a total load $(P)$ of $60\text{ kN}$ supported through a bracket connection, as shown in the figure (not to scale). The resultant force in bolt $R$ (in $\text{kN}, \textit{round off to one decimal place}$) is _____________________________

A column is subjected to a total load $(P)$ of $60\text{ kN}$ supported through a bracket connection, as shown in the figure (not to scale).The resultant force in bolt $R...

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Arjun asked Feb 19, 2021

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29

GATE2020-CE-1-5
Consider the planar truss shown in the figure (not drawn to the scale) Neglecting self weight of the numbers, the number of zero-force members in the truss under the action of the load $P$, is $6$ $7$ $8$ $9$

Consider the planar truss shown in the figure (not drawn to the scale)Neglecting self weight of the numbers, the number of zero-force members in the truss under the actio...

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go_editor asked Feb 27, 2020

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30

GATE2020-CE-1-6
A reinforcing steel bar, partially embedded in concrete, is subjected to a tensile force $P$. The figure that appropriately represents the distribution of the magnitude of bond stress (represented as hatched region), along the embedded length of the bar, is

A reinforcing steel bar, partially embedded in concrete, is subjected to a tensile force $P$. The figure that appropriately represents the distribution of the magnitude o...

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go_editor asked Feb 27, 2020

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31

GATE2020-CE-1-31
A dowel bar is placed at a contraction joint. When contraction occurs, the concrete slab cracks at predetermined location(s). Identify the arrangement, which shows the correct placement of dowel bar and the place of occurrence of the contraction of crack(s).

A dowel bar is placed at a contraction joint. When contraction occurs, the concrete slab cracks at predetermined location(s). Identify the arrangement, which shows the co...

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go_editor asked Feb 27, 2020

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32

GATE2020-CE-1-30
A cantilever beam $\textbf{PQ}$ of uniform flexural rigidity (EI) is subjected to a concentrated moment M at $\textbf{R}$ as shown in the figure The deflection at the free end $\textbf{Q}$ is $\large\frac{ML^2}{6EI} \\$ $\large\frac{ML^2}{4EI} \\$ $\large\frac{3ML^2}{8EI} \\$ $\large\frac{3ML^2}{4EI} $

A cantilever beam $\textbf{PQ}$ of uniform flexural rigidity (EI) is subjected to a concentrated moment M at $\textbf{R}$ as shown in the figure The deflection at the fre...

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go_editor asked Feb 27, 2020

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33

GATE2020-CE-1-19
A planar elastic structure is subjected to uniformly distributed load, as shown in the figure (not drawn to the scale) Neglecting self-weight, the maximum bending moment generated in the structure (in $kN.m$, round off to the nearest integer), is _______.

A planar elastic structure is subjected to uniformly distributed load, as shown in the figure (not drawn to the scale)Neglecting self-weight, the maximum bending moment g...

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go_editor asked Feb 27, 2020

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34

GATE2020-CE-1-43
The singly reinforced concrete beam section shown in the figure (not drawn to the scale) is made of $M25$ grade concrete and $Fe500$ grade reinforcing steel. The total cross-sectional area of the tension steel is $942\:mm^2$. As per Limit State Design IS $456:2000$, the design moment capacity (in $kN.m$, round off to two decimal places) of the beam section, is __________

The singly reinforced concrete beam section shown in the figure (not drawn to the scale) is made of $M25$ grade concrete and $Fe500$ grade reinforcing steel. The total cr...

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go_editor asked Feb 27, 2020

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35

GATE2020-CE-1-29
A rigid weightless platform $\textbf{PQRS}$ shown in the figure ( not drawn to the scale) can slide freely in the vertical direction. The platform is held in position by the weightless member $\textbf{OJ}$ and four weightless, frictionless rollers. Points $\textbf{O}$ ... of horizontal component of the reaction ( in $kN$) at pin $\textbf{O}$, is $90$ $120$ $150$ $180$

A rigid weightless platform $\textbf{PQRS}$ shown in the figure ( not drawn to the scale) can slide freely in the vertical direction. The platform is held in position by ...

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go_editor asked Feb 27, 2020

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36

GATE2020-CE-1-13
A body floating in a liquid is in a stable state of equilibrium if its metacentre lies above its centre of gravity metacentre lies below its centre of gravity metacentre coincides with its centre of gravity centre of gravity is below its centre of buoyancy

A body floating in a liquid is in a stable state of equilibrium if its metacentre lies above its centre of gravitymetacentre lies below its centre of gravitymetacentre co...

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go_editor asked Feb 27, 2020

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37

GATE2020-CE-1-8
During the process of hydration of cement, due to increase in Dicalcium Silicate $(C_2S)$ content in cement clinker, the heat of hydration increases decreases initially decreases and then increases does not change

During the process of hydration of cement, due to increase in Dicalcium Silicate $(C_2S)$ content in cement clinker, the heat of hydrationincreasesdecreasesinitially decr...

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go_editor asked Feb 27, 2020

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38

GATE2020-CE-1-44
A simply supported prismatic concrete beam of rectangular cross-section, having a span of $8\:m$, is prestressed with an effective prestressing force of $600\:kN$. The eccentricity of the prestressing tendon is zero at supports and varies linearly to a value of $e$ at ... at the mid-span, the required value of e (in $mm$, round off to the nearest integer) of the tendon, is ______.

A simply supported prismatic concrete beam of rectangular cross-section, having a span of $8\:m$, is prestressed with an effective prestressing force of $600\:kN$. The ec...

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go_editor asked Feb 27, 2020

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39

GATE2020-CE-1-41
A rigid, uniform, weightless, horizontal bar is connected to three vertical members P , Q and R as shown in the figure (not drawn to the scale). All three members have identical axial stiffness of $10\:kN/mm$ . The lower ends of bars $P$ and $R$ rest ... $W$ (in $kN$, round off to the nearest integer), is ______.

A rigid, uniform, weightless, horizontal bar is connected to three vertical members P , Q and R as shown in the figure (not drawn to the scale). All three members have id...

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go_editor asked Feb 27, 2020

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40

GATE2020-CE-1-42
The flange and web plates of the doubly symmetric built-up section are connected by continuous $10\:mm$ thick fillet welds as shown in figure (not drawn to the scale). The moment of inertia of the section about its principal axis $X-X$ ... welds. The maximum shear force (in $kN$ , round off to one decimal place ) that can be carried by the section, is ______.

The flange and web plates of the doubly symmetric built-up section are connected by continuous $10\:mm$ thick fillet welds as shown in figure (not drawn to the scale). Th...

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go_editor asked Feb 27, 2020

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