GATE CE year:2017 PYQs & Answers — Page 9 — Exam Papers

Questions 81–90 of 130. Imported answers require independent review unless marked reviewed.

Topic practice 130 questionsPage 9 of 13

Consider the beam ABCD shown in the figure.

Diagram for Civil Engineering question 41

AB = BC = 4 m; CD = 10 m. For a moving concentrated load of 50 kN on the beam, the magnitude of the maximum bending moment (in kN-m) obtained at the support C will be equal to

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Two plates of 8 mm thickness each are connected by a fillet weld of 6 mm thickness as shown in the figure.

Diagram for Civil Engineering question 41

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

(in kN) is

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Consider two axially loaded columns, namely, 1 and 2, made of a linear elastic material with Young’s modulus 2×10

MPa, square cross-section with side 10 mm, and length 1 m. For Column 1, one end is fixed and the other end is free. For Column 2, one end is fixed and the other end is pinned. Based on the Euler’s theory, the ratio (up to one decimal place) of the buckling load of Column 2 to the buckling load of Column 1 is

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Consider the portal frame shown in the figure and assume the modulus of elasticity,

MPa and the moment of inertia,

mm

for all the members of the frame.

Diagram for Civil Engineering question 42

The rotation (in degrees, up to one decimal place) at the rigid joint Q would be

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A column is subjected to a load through a bracket as shown in the figure.

Diagram for Civil Engineering question 43

The resultant force (in kN, up to one decimal place) in the bolt 1 is

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A 2 m long, axially loaded mild steel rod of 8 mm diameter exhibits the load-displacement (

-

) behavior as shown in the figure.

Diagram for Civil Engineering question 43

Assume the yield stress of steel as 250 MPa. The complementary strain energy (in N-mm) stored in the bar up to its linear elastic behavior will be

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A particle of mass 2 kg is travelling at a velocity of 1.5 m/s. A force

(in N) is applied to it in the direction of motion for a duration of 2 seconds, where

denotes time in seconds. The velocity (in m/s, up to one decimal place) of the particle immediately after the removal of the force is

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Consider a square-shaped area ABCD on the ground with its centre at M as shown in the figure. Four concentrated vertical loads of

kN are applied on this area, one at each corner.

Diagram for Civil Engineering question 44

The vertical stress increment (in kPa, up to one decimal place) due to these loads according to the Boussinesq’s equation, at a point 5 m right below M, is

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The activity details of a project are given below:

Activity	Depends on	Duration (in days)
P	--	6
Q	P	15
R	Q, T	12
S	R	16
T	P	10
U	Q, T	14
V	U	16

The estimated minimum time (in days) for the completion of the project will be

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The figure shows a U-tube having a 5 mm × 5 mm square cross-section filled with mercury (specific gravity = 13.6) up to a height of 20 cm in each limb (open to the atmosphere).

Diagram for Civil Engineering question 45

If 5 cm

of water is added to the right limb, the new height (in cm, up to two decimal places) of mercury in the LEFT limb will be

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