Civil Engineering GATE 2018 Set-1 Questions with Answer

Ques 14 Civil

A column of height h with a rectangular cross-section of size a × 2a has a buckling load of P. If the cross-section is changed to 0.5a × 3a and its height changed to 1.5h, the buckling load of the redesigned column will be

P/12

P/4

P/2

3P/4

Ques 15 Civil

A steel column of ISHB 350 @ 72.4 kg/m is subjected to a factored axial compressive load of 2000 kN. The load is transferred to a concrete pedestal of grade M20 through a square base plate. Consider bearing strength of concrete as 0.45fck, where fck is the characteristic strength of concrete. Using limit state method and neglecting the self weight of base plate and steel column, the length of a side of the base plate to be provided is

39 cm

42 cm

45 cm

48 cm

Ques 16 Civil

The Le Chatelier apparatus is used to determine

compressive strength of cement

fineness of cement

setting time of cement

soundness of cement

Ques 17 Civil

The deformation in concrete due to sustained loading is

creep

hydration

segregation

shrinkage

Ques 18 Civil

A solid circular beam with a radius of 0.25 m and a length of 2 m is subjected to a twisting moment of 20 kN·m about the z-axis at the free end, which is the only load acting, as shown in the figure.

The shear stress component τ_xy at Point 'M' in the cross-section of the beam at a distance of 1 m from the fixed end is:

0.0 MPa

0.51 MPa

0.815 MPa

2.0 MPa

Ques 19 Civil

Two rectangular under-reinforced concrete beam sections X and Y are similar in all aspects except that the longitudinal compression reinforcement in section Y is 10% more. Which one of the following is the correct statement?

Section X has less flexural strength and is less ductile than section Y

Section X has less flexural strength but is more ductile than section Y

Sections X and Y have equal flexural strength but different ductility

Sections X and Y have equal flexural strength and ductility

Ques 20 Civil

The percent reduction in the bearing capacity of a strip footing resting on sand under flooding condition (water level at the base of the footing) when compared to the situation where the water level is at a depth much greater than the width of footing, is approximately

100

Ques 21 Civil

The width of a square footing and the diameter of a circular footing are equal. If both the footings are placed on the surface of sandy soil, the ratio of the ultimate bearing capacity of circular footing to that of square footing will be

4/3

3/4

2/3

Ques 22 Civil

Bernoulli's equation is applicable for

viscous and compressible fluid flow

inviscid and compressible fluid flow

inviscid and incompressible fluid flow

viscous and incompressible fluid flow

Ques 23 Civil

There are 20,000 vehicles operating in a city with an average annual travel of 12,000 km per vehicle. The NOx emission rate is 2.0 g/km per vehicle. The total annual release of NOx will be

4,80,000 kg

4,800 kg

480 kg

48 kg

Ques 24 Civil

A bitumen sample has been graded as VG30 as per IS: 73-2013. The '30' in the grade means that

penetration of bitumen at 25 °C is between 20 and 40

viscosity of bitumen at 60 °C is between 2400 and 3600 Poise

ductility of bitumen at 27 °C is more than 30 cm

elastic recovery of bitumen at 15 °C is more than 30%

Ques 25 Civil

The speed-density relationship for a road section is shown in the figure.

The shape of the flow-density relationship is

piecewise linear

parabolic

initially linear then parabolic

initially parabolic then linear

Ques 26 Civil

A well-designed signalized intersection is one in which the

crossing conflicts are increased

total delay is minimized

cycle time is equal to the sum of red and green times in all phases

cycle time is equal to the sum of red and yellow times in all phases

1 2 3 4 5

Total Unique Visitors

Loading......

Civil Engineering Gate Yearwise

Civil Engineering GATE 2018 Set-1 Questions with Answer