Recent questions tagged structural-engineering

0 votes

0 answers

1

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 $6$ $7$ $8$ $9$

go_editor asked in Structural Analysis Feb 28, 2020

by go_editor

5.3k points

0 votes

0 answers

2

GATE2020 CE-2-5
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

go_editor asked in Steel Structures Feb 13, 2020

by go_editor

5.3k points

0 votes

0 answers

3

GATE2020 CE-2-19
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 _______.

go_editor asked in Concrete Structures Feb 13, 2020

by go_editor

5.3k points

0 votes

0 answers

4

GATE2020 CE-2-28
A prismatic linearly elastic bar of length $L$, cross-sectional 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 $U = U_1 + U_2$ $U = U_1 - U_2$ $U < U_1 + U_2$ $U > U_1 + U_2$

go_editor asked in Solid Mechanics Feb 13, 2020

by go_editor

5.3k points

0 votes

0 answers

5

GATE2020 CE-2-29
The planar structure $RST$ shown in the figure is roller-supported at $S$ and pin-supported 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 self-weight and axial stiffening. When the ... $R,$ is $\dfrac{PL^3}{12EI}$ $\dfrac{PL^2}{12EI}$ $\dfrac{PL^2}{6EI}$ $\dfrac{PL}{6EI}$

go_editor asked in Solid Mechanics Feb 13, 2020

by go_editor

5.3k points

0 votes

0 answers

6

GATE2020 CE-2-30
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 $5$ $10$ $15$ $20$

go_editor asked in Structural Analysis Feb 13, 2020

by go_editor

5.3k points

0 votes

0 answers

7

GATE2020 CE-2-41
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 ________.

go_editor asked in Concrete Structures Feb 13, 2020

by go_editor

5.3k points

0 votes

0 answers

8

GATE2020 CE-2-42
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 ________.

go_editor asked in Structural Analysis Feb 13, 2020

by go_editor

5.3k points

0 votes

1 answer

9

GATE2017 CE-2-3
Given that the scope of the construction work is well-defined 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

gatecse asked in Construction Materials and Management Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

10

GATE2017 CE-2-14
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 $5$ $6$ $7$ $8$

gatecse asked in Structural Analysis Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

11

GATE2017 CE-2-15
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 $18.42$ $21.00$ $25.00$ $31.58$

gatecse asked in Construction Materials and Management Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

12

GATE2017 CE-2-16
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 $0.50$ $0.25$ $- 0.25$ $- 0.50$

gatecse asked in Solid Mechanics Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

13

GATE2017 CE-2-18
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 ________

gatecse asked in Construction Materials and Management Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

14

GATE2017 CE-2-30
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. ... $P - 4; Q - 2; R - 4; S - 1$ $P - 1; Q - 4; R - 2; S - 3$

gatecse asked in Construction Materials and Management Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

15

GATE2017 CE-2-31
Two prismatic beams having the same flexural rigidity of $1000 \: kN-m^2$ are shown in the figures. If the mid-span deflections of these beams are denoted by $\delta_1$ and $\delta_2$ (as indicated in the figures), the correct option is $\delta_1 = \delta_2$ $\delta_1 < \delta_2$ $\delta_1 > \delta_2$ $\delta_1 >> \delta_2$

gatecse asked in Structural Analysis Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

16

GATE2017 CE-2-32
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 ... $M_P = M_Q>M_R$ $S_P < S_Q> S_R$; $M_P = M_Q=M_R$ $S_P < S_Q< S_R$; $M_P < M_Q < M_R$

gatecse asked in Structural Analysis Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

17

GATE2017 CE-2-33
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

gatecse asked in Construction Materials and Management Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

18

GATE2017 CE-2-39
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 kN-m) that the shaft can resist is _______

gatecse asked in Solid Mechanics Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

19

GATE2017 CE-2-40
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 mid-span to balance the external load should be __________

gatecse asked in Concrete Structures Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

20

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 ______

gatecse asked in Steel Structures Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

21

GATE2017 CE-2-42
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 ____________

gatecse asked in Structural Analysis Aug 7, 2019

by gatecse

4.0k points

0 votes

0 answers

22

GATE2017 CE-2-43
A $2$ m long, axially loaded mild steel rod of $8$ mm diameter exhibits the load-displacement $(P-\delta)$ behavior as shown in the figure. Assume the yield stress of steel as $250$ MPa. The complementary strain energy (in N-mmm) stored in the bar up to its linear elastic behavior will be _____

gatecse asked in Steel Structures Aug 7, 2019

by gatecse

4.0k points

1 vote

0 answers

23

GATE2019 CE-1: 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? $\text{FG,FI,HI,RS}$ $\text{FG,FH,HI,RS}$ $\text{FI,HI,PR,RS}$ $\text{FI,FG,RS,PR}$

Arjun asked in Structural Analysis Feb 14, 2019

by Arjun

11.6k points

1 vote

0 answers

24

GATE2019 CE-1: 6
An element is subjected to biaxial normal tensile strains of $0.0030$ and $0.0020$. The normal strain in the plane of maximum shear strain is Zero $0.0010$ $0.0025$ $0.0050$

Arjun asked in Solid Mechanics Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

25

GATE2019 CE-1: 7
Consider the pin-jointed plane truss shown in the figure $\text{(not drawn to scale)}$.Let $R_{P}, R_{Q}$ and $R_{R}$ denote the vertical reactions (upward positive) applied by the supports at $P, Q$ and $R,$ ... by $\text{(30,-30,30)kN}$ $\text{(20,0,10)kN}$ $\text{(10,30,-10)kN}$ $\text{(0,60,-30)kN}$

Arjun asked in Structural Analysis Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

26

GATE2019 CE-1: 8
Assuming that there is no possibility of shear buckling in the web, the maximum reduction permitted by $\text{IS 800-2007}$ in the (low-shear) design bending strength of a semi-compact steel section due to high shear is zero $\text{25 %}$ $\text{50 %}$ governed bye the area of the flange

Arjun asked in Solid Mechanics Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

27

GATE2019 CE-1: 9
In the reinforced beam section shown in the figure $\text{(not drawn to scale)}$, the nominal cover provided at the bottom of the beam as per $\text{IS 456-2000},$ is $\text{30 mm}$ $\text{36 mm}$ $\text{42 mm}$ $\text{50 mm}$

Arjun asked in Concrete Structures Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

28

GATE2019 CE-1: 19
For a given loading on a rectangular plain concrete beam with an overall depth of $500 \: mm$, the compressive strain and tensile strain developed at the extreme fibers are of the same magnitude of $2.5 \times 10^{-4}$. The curvature in the beam cross-section (in $m^{-1}$, round off to $3$ decimal places), is ________

Arjun asked in Concrete Structures Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

29

GATE2019 CE-1: 31
The cross-section of a built-up wooden beam as shown in the figure (not drawn to scale) is subjected to a vertical shear force of $8 \: kN$. The beam is symmetrical about the neural axis (N.A.) shown, and the moment of inertia about N.A. is $1.5 \times 10^9 \: mm^4$. ... , each of the nails at P will be subjected to the shear force of $60 \: N$ $120 \: N$ $240 \: N$ $480 \: N$

Arjun asked in Solid Mechanics Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

30

GATE2019 CE-1: 32
The rigid-jointed plane frame QRS shown in the figure is subjected to a load $P$ at the joint $R$. Let the axial deformations in the frame be neglected. If the support $S$ undergoes a settlement of $\Delta = \frac{PL^3}{\beta EI}$, the vertical reaction at the support $S$ will become zero when $\beta$ is equal to $0.1$ $3.0$ $7.5$ $48.0$

Arjun asked in Structural Analysis Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

31

GATE2019 CE-1: 33
If the section shown in the figure turns from fully-elastic to fully-plastic, the depth of neural axis (N.A), $\overline{y}$, decreases by $10.75 \: mm$ $12.25 \: mm$ $13.75 \: mm$ $15.25 \: mm$

Arjun asked in Steel Structures Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

32

GATE2019 CE-1: 37
The network of a small construction project awarded to a contractor is shown in the following figure. The normal duration, crash duration, normal cost, and crash cost of all the activities are shown in the table. The indirect cost incurred by the contractor is ... is targeted for completion in $16$ days, the total cost (in INR) to be incurred by the contractor would be _______

Arjun asked in Construction Materials and Management Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

33

GATE2019 CE-1: 39
A portal frame shown in figure (not drawn to scale) has a hinge support at joint P and a roller support at joint R. A point load of $50 \: kN$ is acting at joint in R in the horizontal direction. The flexural rigidity. EI, of each number is $10^6 \: kNm^2$. Under the applied load, the horizontal displacement (in mm, round off to $1$ decimal place) of joint R would be _________

Arjun asked in Structural Analysis Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

34

GATE2019 CE-1: 48
Tie bars of $12 \: mm$ diameter are to be provided in a concrete pavement slab. The working tensile stress of the tie bars is $230 \: MPa$, the average bond strength between a tie bar and concrete is $2 \: MPa$, and the joint gap between the slabs ... loss of bond and the tolerance factor, the design length of the tie bars (in $mm$, round off to the nearest integer) is ________

Arjun asked in Concrete Structures Feb 14, 2019

by Arjun

11.6k points

0 votes

0 answers

35

GATE2019 CE-1: 54
A $3 \: m \times 3 \: m$ square precast reinforced concrete segments to be installed by pushing them through an existing railway embankment for making an underpass as shown in the figure. A reaction arrangement using precast PCC blocks placed on the ground ... the same properties that of soil, the factor of safety (round off to $1$ decimal place) against shear failure is ________

Arjun asked in Concrete Structures Feb 14, 2019

by Arjun

11.6k points

1 vote

0 answers

36

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 $0.5 \tau A_m t$ $\tau A_m t$ $2 \tau A_m t$ $4 \tau A_m t$

Arjun asked in Solid Mechanics Feb 12, 2019

by Arjun

11.6k points

0 votes

0 answers

37

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 $1.2$

Arjun asked in Steel Structures Feb 12, 2019

by Arjun

11.6k points

0 votes

0 answers

38

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 $4.75\: mm$

Arjun asked in Construction Materials and Management Feb 12, 2019

by Arjun

11.6k points

0 votes

0 answers

39

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?

Arjun asked in Solid Mechanics Feb 12, 2019

by Arjun

11.6k points

0 votes

0 answers

40

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 ______

Arjun asked in Construction Materials and Management Feb 12, 2019

by Arjun

11.6k points