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Civil Engineering GATE 2021 Set-1 Questions with Answer

Ques 14 Civil

Humans have the ability to construct worlds entirely in their minds, which don't exist in the physical world. So far as we know, no other species possesses this ability. This skill is so important that we have different words to refer to its different flavors, such as imagination, invention and innovation.
Based on the above passage, which one of the following is TRUE?

A

No species possess the ability to construct worlds in their minds.

B

The terms imagination, invention and innovation refer to unrelated skills.

C

We do not know of any species other than humans who possess the ability to construct mental worlds.

D

Imagination, invention and innovation are unrelated to the ability to construct mental worlds.



Ques 15 Civil

The rank of the matrix

is

A

1

B

2

C

3

D

4



Ques 16 Civil

A

B

C

D



Ques 17 Civil

The shape of the cumulative distribution function of Gaussian distribution is

A

Horizontal Line

B

Straight line at 45 degree angle

C

Bell-shaped

D

S-shaped



Ques 18 Civil

A propped cantilever beam 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 CORRECT qualitative nature of the influence line diagram for shear force at G is

A

B

C

D



Ques 19 Civil

Gypsum is typically added in cement to

A

prevent quick setting

B

enhance hardening

C

increase workability

D

decrease heat of hydration



Ques 20 Civil

The direct and indirect costs estimated by a contractor for bidding a project is INR 160000 and INR 20000, respectively. If the mark up applied is 10% of the bid price, the quoted price (in INR) of the contractor is

A

200000

B

198000

C

196000

D

182000



Ques 21 Civil

In an Oedometer apparatus, a specimen of fully saturated clay has been consolidated under a vertical pressure of 50 kN/m2 and is presently at equilibrium. The effective stress and pore water pressure immediately on increasing the vertical stress to 150 kN/m2, respectively are

A

150 kN/m2 and 0

B

100 kN/m2 and 50 kN/m2

C

50 kN/m2 and 100 kN/m2

D

0 and 150 kN/m2



Ques 22 Civil

A partially-saturated soil sample has natural moisture content of 25% and bulk unit weight of 18.5 kN/m3. The specific gravity of soil solids is 2.65 and unit weight of water is 9.81 kN/m3. The unit weight of the soil sample on full saturation is

A

21.12 kN/m3

B

19.03 kN/m3

C

20.12 kN/m3

D

18.50 kN/m3



Ques 23 Civil

If water is flowing at the same depth in most hydraulically efficient triangular and rectangular channel sections then the ratio of hydraulic radius of triangular section to that of rectangular section is

A

1 / √2

B

√2

C

1

D

2



Ques 24 Civil

‘Kinematic viscosity’ is dimensionally represented as

A

M / LT

B

M / L2T

C

T2 / L

D

L2 / T



Ques 25 Civil

Which one of the following statements is correct?

A

Pyrolysis is an endothermic process, which takes place in the absence of oxygen.

B

Pyrolysis is an exothermic process, which takes place in the absence of oxygen.

C

Combustion is an endothermic process, which takes place in the abundance of oxygen.

D

Combustion is an exothermic process, which takes place in the absence of oxygen.



Ques 26 Civil

Which one of the following is correct?

A

The partially treated effluent from a food processing industry, containing high concentration of biodegradable organics, is being discharged into a flowing river at a point P. If the rate of degradation of the organics is higher than the rate of aeration, then dissolved oxygen of the river water will be lowest at point P.

B

The most important type of species involved in the degradation of organic matter in the case of activated sludge process based wastewater treatment is chemoheterotrophs.

C

For an effluent sample of a sewage treatment plant, the ratio BOD5-day, 20 °C upon ultimate BOD is more than 1.

D

A young lake characterized by low nutrient content and low plant productivity is called eutrophic lake.



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