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Recent questions and answers in Structural Engineering
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1
GATE2020CE15
Consider the planar truss shown in the figure (not drawn to the scale) Neglecting self weight of the numbers, the number of zeroforce members in the truss under the action of the load $P$, is $6$ $7$ $8$ $9$
asked
Feb 28, 2020
in
Structural Analysis
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jothee
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5.2k
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gate2020ce1
structuralanalysis
structuralengineering
trusses
0
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0
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2
GATE2020CE16
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
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Feb 28, 2020
in
Steel Structures
by
jothee
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5.2k
points)
gate2020ce1
steelstructures
structuralengineering
0
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0
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3
GATE2020CE113
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
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Feb 28, 2020
in
Engineering Mechanics
by
jothee
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5.2k
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gate2020ce1
engineeringmechanics
structuralengineering
equilibrium
0
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0
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4
GATE2020CE119
A planar elastic structure is subjected to uniformly distributed load, as shown in the figure (not drawn to the scale) Neglecting selfweight, the maximum bending moment generated in the structure (in $kN.m$, round off to the nearest integer), is _______.
asked
Feb 28, 2020
in
Solid Mechanics
by
jothee
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5.2k
points)
gate2020ce1
solidmechanics
structuralengineering
bendingmoment
numericalanswers
0
votes
0
answers
5
GATE2020CE129
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 $90$ $120$ $150$ $180$
asked
Feb 28, 2020
in
Engineering Mechanics
by
jothee
(
5.2k
points)
gate2020ce1
engineeringmechanics
structuralengineering
rigidbody
0
votes
0
answers
6
GATE2020CE130
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} $
asked
Feb 28, 2020
in
Solid Mechanics
by
jothee
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5.2k
points)
gate2020ce1
solidmechanics
structuralengineering
0
votes
0
answers
7
GATE2020CE131
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).
asked
Feb 28, 2020
in
Structural Engineering
by
jothee
(
5.2k
points)
gate2020ce1
structuralengineering
concretestructures
slabs
0
votes
0
answers
8
GATE2020CE141
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 ______.
asked
Feb 28, 2020
in
Structural Engineering
by
jothee
(
5.2k
points)
gate2020ce1
structuralengineering
numericalanswers
0
votes
0
answers
9
GATE2020CE142
The flange and web plates of the doubly symmetric builtup 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 $XX$ ... welds. The maximum shear force (in $kN$ , round off to one decimal place ) that can be carried by the section, is ______.
asked
Feb 28, 2020
in
Solid Mechanics
by
jothee
(
5.2k
points)
gate2020ce1
solidmechanics
structuralengineering
shearforce
numericalanswers
0
votes
0
answers
10
GATE2020CE143
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 crosssectional 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 __________
asked
Feb 28, 2020
in
Concrete Structures
by
jothee
(
5.2k
points)
gate2020ce1
concretestructures
structuralengineering
concretebeams
steelstructures
designoftension
numericalanswers
0
votes
0
answers
11
GATE2020CE144
A simply supported prismatic concrete beam of rectangular crosssection, 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 midspan, the required value of e (in $mm$, round off to the nearest integer) of the tendon, is ______.
asked
Feb 28, 2020
in
Concrete Structures
by
jothee
(
5.2k
points)
gate2020ce1
concretestructures
structuralengineering
concretebeams
numericalanswers
0
votes
0
answers
12
GATE2020 CE25
The ratio of the plastic moment capacity of a beam section to its yield moment capacity is termed as aspect ratio load factor shape factor slenderness ratio
asked
Feb 13, 2020
in
Steel Structures
by
jothee
(
5.2k
points)
gate2020ce2
steelstructures
structuralengineering
plasticanalysisofbeams
0
votes
0
answers
13
GATE2020 CE27
A weightless cantilever beam of span L is loaded as shown in the figure. For the entire span of the beam, the material properties are identical and the cross section is rectangular with constant width. From the flexurecritical perspective, the most economical longitudinal profile of the beam to carry the given loads among the options given below, is
asked
Feb 13, 2020
in
Structural Analysis
by
jothee
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5.2k
points)
gate2020ce2
solimechanics
structuralanalysis
flexure
0
votes
0
answers
14
GATE2020 CE28
As per $IS\:456:2000$, the $pH$ value of water for concrete mix shall NOT be less than $4.5$ $5.0$ $5.5$ $6.0$
asked
Feb 13, 2020
in
Construction Materials and Management
by
jothee
(
5.2k
points)
gate2020ce2
constructionmaterialsandmanagement
structuralengineering
concretemixdesign
0
votes
0
answers
15
GATE2020 CE219
The maximum applied load on a cylindrical concrete specimen of diameter $150\: mm$ and length $300\: mm$ tested as per the split tensile strength test guidelines of $IS\:5816:1999$ is $157\: kN$. The split tensile strength (in $MPa,$ round off to one decimal place) of the specimen is _______.
asked
Feb 13, 2020
in
Concrete Structures
by
jothee
(
5.2k
points)
gate2020ce2
numericalanswers
concretestructures
structuralengineering
0
votes
0
answers
16
GATE2020 CE228
A prismatic linearly elastic bar of length $L$, crosssectional area $A$, and made up of a material with Young's modulus $E$, is subjected to axial tensile force as shown in the figures. When the bar is subjected to axial tensile forces $P_1$ and $P_2$, the strain energies stored ... the correct relationship is $U = U_1 + U_2$ $U = U_1  U_2$ $U < U_1 + U_2$ $U > U_1 + U_2$
asked
Feb 13, 2020
in
Solid Mechanics
by
jothee
(
5.2k
points)
gate2020ce2
young'smodulus
solidmechanics
structuralengineering
0
votes
0
answers
17
GATE2020 CE229
The planar structure $RST$ shown in the figure is rollersupported at $S$ and pinsupported at $R.$ Members $RS$ and $ST$ have uniform flexural rigidity $(EI)$ and $S$ is a rigid joint. Consider only bending deformation and neglect effects of selfweight and axial stiffening. When the ... $R,$ is $\dfrac{PL^3}{12EI}$ $\dfrac{PL^2}{12EI}$ $\dfrac{PL^2}{6EI}$ $\dfrac{PL}{6EI}$
asked
Feb 13, 2020
in
Solid Mechanics
by
jothee
(
5.2k
points)
gate2020ce2
solidmechanics
structuralengineering
simplebendingtheory
flexuralrigidity
0
votes
0
answers
18
GATE2020 CE230
Joints $I,J,K,L,Q$ and $M$ of the frame shown in the figure (not drawn to the scale) are pins. Continuous members $IQ$ and $LJ$ are connected through a pin at $N$. Continuous members $JM$ and $KQ$ are connected through a pin at $P$. The frame has hinge ... positive $X$ direction. The magnitude of the horizontal component of reaction $\text{(in kN)}$ at $S,$ is $5$ $10$ $15$ $20$
asked
Feb 13, 2020
in
Structural Engineering
by
jothee
(
5.2k
points)
gate2020ce2
structuralengineering
0
votes
0
answers
19
GATE2020 CE241
A concrete beam of span $15\: m,\ 150\: mm$ wide and $350\: mm$ ... cable is tensioned from one end only, the percentage loss (round off to one decimal place) in the cable force due to friction, is ________.
asked
Feb 13, 2020
in
Concrete Structures
by
jothee
(
5.2k
points)
gate2020ce2
numericalanswers
concretestructures
structuralengineering
concretebeams
0
votes
0
answers
20
GATE2020 CE242
The plane truss has hinge supports at $P$ and $W$ and is subjected to the horizontal forces as shown in the figure (not drawn to the scale) Representing the tensile force with $’+’$ sign and the compressive force with $’’$ sign, the force in member $XW$ (in $kN$, round off to the nearest integer), is ________.
asked
Feb 13, 2020
in
Structural Analysis
by
jothee
(
5.2k
points)
gate2020ce2
numericalanswers
structuralanalysis
structuralengineering
trusses
0
votes
0
answers
21
GATE2020 CE243
The crosssection of the reinforced concrete beam having an effective depth of $500\: mm$ is shown in the figure (not drawn to the scale ). The grades of concrete and steel used are $M35$ and $Fe550$, respectively. The area of tension reinforcement is ... ( in $mm,$ round off to the nearest integer ) of the neutral axis measured from the extreme compression fiber, is ________.
asked
Feb 13, 2020
in
Concrete Structures
by
jothee
(
5.2k
points)
gate2020ce2
numericalanswers
analysisofbeamsections
concretestructures
structuralengineering
0
votes
0
answers
22
GATE2020 CE244
Two steel plates are lap jointed in a workshop using $6\ mm$ thick fillet weld as shown in the figure (not drawn to the scale). The ultimate strength of the weld is $410\: MPa.$ As per Limit State Design of $IS\: 800:2007$, the design capacity (in $kN$, round off to three decimal places) of the welded connection, is ________.
asked
Feb 13, 2020
in
Steel Structures
by
jothee
(
5.2k
points)
gate2020ce2
numericalanswers
steelstructures
structuralengineering
0
votes
0
answers
23
GATE2020 CE251
A concrete dam holds $10\: m$ of static water as shown in the figure (not drawn to the scale). The uplift is assumed to vary linearly from full hydrostatic head at the heel, to zero at the toe of the dam. The coefficient of friction between the dam ... , respectively. For NO sliding condition, the required minimum base width $B$ (in $m$ round off to two decimal places) is ________.
asked
Feb 13, 2020
in
Concrete Structures
by
jothee
(
5.2k
points)
gate2020ce2
numericalanswers
concretestructures
structuralengineering
0
votes
1
answer
24
GATE2017 CE23
Given that the scope of the construction work is welldefined with all its drawings, specifications, quantities and estimates, which one of the following of contract would be most preferred? EPC contract percentage rate contract Item rate contract Lump sum contract
answered
Oct 12, 2019
in
Construction Materials and Management
by
Harshavaishali
(
140
points)
gate2017ce2
constructionmaterialsandmanagement
structuralengineering
contracts
0
votes
0
answers
25
GATE2017 CE26
Consider a rigid retaining wall with partially submerged cohesionless backfill with a surcharge. Which one of the following diagrams closely represents the Rankine’s active earth pressure distribution against this?
asked
Aug 7, 2019
in
Engineering Mechanics
by
gatecse
(
4k
points)
gate2017ce2
engineeringmechanics
structuralengineering
rigidbodies
0
votes
0
answers
26
GATE2017 CE214
Consider the following frame in the figure: If the axial and shear deformations in different members of the frame are assumed to be negligible, the reduction in the degree of kinematical indeterminacy would be equal to $5$ $6$ $7$ $8$
asked
Aug 7, 2019
in
Structural Analysis
by
gatecse
(
4k
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gate2017ce2
structuralanalysis
frames
structuralengineering
0
votes
0
answers
27
GATE2017 CE215
Let the characteristic strength be defined as that value, below which not more than $50 \%$ of the results are expected to fall. Assuming a standard deviation of $4$ MPa, the target mean strength (in MPa) to be considered in the mix design of a $M25$ concrete would be $18.42$ $21.00$ $25.00$ $31.58$
asked
Aug 7, 2019
in
Construction Materials and Management
by
gatecse
(
4k
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gate2017ce2
constructionmaterialsandmanagement
structuralengineering
concretemixdesign
0
votes
0
answers
28
GATE2017 CE216
In a material under a state of plane strain, a $10 \times 10$ mm square centered at a point gets deformed as shown in the figure. If the shear strain $\gamma_{xy}$ at this point is expressed as $0.001k$ (in rad), the value of $k$ is $0.50$ $0.25$ $ 0.25$ $ 0.50$
asked
Aug 7, 2019
in
Solid Mechanics
by
gatecse
(
4k
points)
gate2017ce2
solidmechanics
structuralengineering
shearstrain
0
votes
0
answers
29
GATE2017 CE218
For a construction project, the mean and standard deviation of the completion time are $200$ days and $6.1$ days, respectively. Assume normal distribution and use the value of standard normal deviate $z = 1.64$ for the $95 \%$ confidence level. The maximum time required (in days) for the completion of the project would be ________
asked
Aug 7, 2019
in
Construction Materials and Management
by
gatecse
(
4k
points)
gate2017ce2
numericalanswers
constructionmaterialsandmanagement
structuralengineering
constructionproject
0
votes
0
answers
30
GATE2017 CE230
Group I gives a list of test methods and test apparatus for evaluating some of the properties of Ordinary Portland Cement (OPC) and concrete. Group II gives the list of these properties. ... $P  4; Q  2; R  4; S  1$ $P  1; Q  4; R  2; S  3$
asked
Aug 7, 2019
in
Structural Engineering
by
gatecse
(
4k
points)
gate2017ce2
structuralengineering
0
votes
0
answers
31
GATE2017 CE231
Two prismatic beams having the same flexural rigidity of $1000 \: kNm^2$ are shown in the figures. If the midspan deflections of these beams are denoted by $\delta_1$ and $\delta_2$ (as indicated in the figures), the correct option is $\delta_1 = \delta_2$ $\delta_1 < \delta_2$ $\delta_1 > \delta_2$ $\delta_1 >> \delta_2$
asked
Aug 7, 2019
in
Solid Mechanics
by
gatecse
(
4k
points)
gate2017ce2
solidmechanics
engineeringmechanics
structuralengineering
flexuralrigidity
0
votes
0
answers
32
GATE2017 CE232
Consider the prismatic beams with the clamped supports P, Q, and R as shown in the figures. Given that eh modulus of elasticity, $E$ is $2.5 \times 10^4$ MPa; and the moment of inertia, $I$ is $8 \times 10^8 \: mm^4$, the correct comparison of the magnitudes of the ... $M_P = M_Q>M_R$ $S_P < S_Q> S_R$; $M_P = M_Q=M_R$ $S_P < S_Q< S_R$; $M_P < M_Q < M_R$
asked
Aug 7, 2019
in
Solid Mechanics
by
gatecse
(
4k
points)
gate2017ce2
solidmechanics
structuralengineering
bendingmomentinbeams
0
votes
0
answers
33
GATE2017 CE233
Consider the following statements: Walls of one brick thick are measured in square meters Walls of one brick thick are measured in cubic meters No deduction in the brickwork quantity is made for openings in walls up to $0.1 \: m^2$ area. For the measurement of excavation from the borrow pit ... False P  True, Q  False, R  True, S  False P  True, Q  False, R  True, S  True
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Aug 7, 2019
in
Construction Materials and Management
by
gatecse
(
4k
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gate2017ce2
constructionmaterialsandmanagement
structuralengineering
bricks
0
votes
0
answers
34
GATE2017 CE238
Two towers, A and B, standing vertically on a horizontal ground, appear in a vertical aerial photograph as shown in the figure. The length of the image of the tower A on the photograph is $1.5$ cm and the tower B is $2.0$ cm. The distance of the top tower A ( ... point $p$ of the photograph. If the height of the tower B is $80$ m, the height (in meters) of the tower A is ________
asked
Aug 7, 2019
in
Solid Mechanics
by
gatecse
(
4k
points)
gate2017ce2
numericalanswers
solidmechanics
structuralengineering
0
votes
0
answers
35
GATE2017 CE239
A hallow circular shaft has an outer diameter of $100 $ mm and inner diameter of $50 $ mm. If the allowable shear stress is $125$ MPa, the maximum torque (in kNm) that the shaft can resist is _______
asked
Aug 7, 2019
in
Solid Mechanics
by
gatecse
(
4k
points)
gate2017ce2
numericalanswers
solidmechanics
structuralengineering
shearstress
0
votes
0
answers
36
GATE2017 CE240
A simply supprted rectangular concrete beam of span $8$ m has to be prestressed with a force of $1600$ ... (in meters, up to two decimal places) of the tendon at the midspan to balance the external load should be __________
asked
Aug 7, 2019
in
Concrete Structures
by
gatecse
(
4k
points)
gate2017ce2
numericalanswers
concretestructures
structuralengineering
ultimateloaddesignconcepts
0
votes
0
answers
37
GATE2017 CE242
Consider the portal frame shown in the figure and assume the modulus of elasticity, $E=2.5 \times 10^4$ MPa and the moment of inertia, $I= 8 \times 10^8 \: mm^4$ for all the members of the frame. The rotation (in degrees, up to one decimal place) at the rigid joint Q would be ____________
asked
Aug 7, 2019
in
Structural Analysis
by
gatecse
(
4k
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gate2017ce2
numericalanswers
structuralanalysis
structuralengineering
frames
0
votes
0
answers
38
GATE2017 CE243
A $2$ m long, axially loaded mild steel rod of $8$ mm diameter exhibits the loaddisplacement $(P\delta)$ behavior as shown in the figure. Assume the yield stress of steel as $250$ MPa. The complementary strain energy (in Nmmm) stored in the bar up to its linear elastic behavior will be _____
asked
Aug 7, 2019
in
Steel Structures
by
gatecse
(
4k
points)
gate2017ce2
numericalanswers
steelstructures
structuralengineering
+1
vote
0
answers
39
GATE2019 CE1: 3
A simple massspring oscillatory system consists of a mass $m$, suspended from a spring of stiffness $k$. Considering $z$ as the displacement of the system at any time $t$, the equation of motion for the free vibration of the system is $m \ddot{z} + kz = 0$. The natural frequency of the system is $\dfrac{k}{m} \\$ $\sqrt{ \dfrac{k}{m}} \\$ $\dfrac{m}{k}\\$ $\sqrt{ \dfrac{m}{k}}$
asked
Feb 14, 2019
in
Engineering Mechanics
by
Arjun
(
8.7k
points)
gate2019ce1
engineering
engineeringmechanics
+1
vote
0
answers
40
GATE2019 CE1: 5
A plane truss is shown in the figure (not drawn to scale). Which one of the options contains ONLY zero force members in the truss? $\text{FG,FI,HI,RS}$ $\text{FG,FH,HI,RS}$ $\text{FI,HI,PR,RS}$ $\text{FI,FG,RS,PR}$
asked
Feb 14, 2019
in
Structural Analysis
by
Arjun
(
8.7k
points)
gate2019ce1
structuralanalysis
structuralengineering
trusses
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