Civil Engineering Gate 2016 Set-1 Questions with Answer

Ques 27 GATE 2016 SET-1


A shaving set company sells 4 different types of razors, Elegance, Smooth, Soft and Executive. Elegance sells at Rs. 48, Smooth at Rs. 63, Soft at Rs. 78 and Executive at Rs. 173 per piece. The table below shows the numbers of each razor sold in each quarter of a year.

Which product contributes the greatest fraction to the revenue of the company in that year?

A

Elegance

B

Executive

C

Smooth

D

Soft


(b) is the correct answer.

Ques 28 GATE 2016 SET-1


Indian currency notes show the denomination indicated in at least seventeen languages. If this is not an indication of the nation's diversity, nothing else is.
Which of the following can be logically inferred from the above sentences?

A

India is a country of exactly seventeen languages.

B

Linguistic pluralism is the only indicator of a nation's diversity.

C

Indian currency notes have sufficient space for all the Indian languages.

D

Linguistic pluralism is strong evidence of India's diversity.


(d) is the correct answer.

Ques 29 GATE 2016 SET-1


Consider the following statements relating to the level of poker play of four players P, Q, R and S.
I. P always beats Q
II. R always beats S
III. S loses to P only sometimes
IV. R always loses to Q
Which of the following can be logically inferred from the above statements?
(i) P is likely to beat all the three other players
(ii) S is the absolute worst player in the set

A

(i) only

B

(ii) only

C

(i) and (ii)

D

neither (i) nor (ii)


(a) is the correct answer.

Ques 30 GATE 2016 SET-1


If f(x)=2x7+3x-5, which of the following is a factor of f(x)?

A

(x3+8)

B

(x-1)

C

(2x-5)

D

(x+1)


(b) is the correct answer.

Ques 31 GATE 2016 SET-1


In a process, the number of cycles to failure decreases exponentially with an increase in load. At a load of 80 units, it takes 100 cycles for failure. When the load is halved, it takes 10000 cycles for failure. The load for which the failure will happen in 5000 cycles is

A

40.00

B

46.02

C

60.01

D

92.02


(b) is the correct answer.

Ques 32 GATE 2016 SET-1


The minimum number of satellites needed for a GPS to determine its position precisely is

A

2

B

3

C

4

D

24


(c) is the correct answer.

Ques 33 GATE 2016 SET-1


The system that uses the Sun as a source of electromagnetic energy and records the naturally radiated and reflected energy from the object is called

A

Geographical Information System

B

Global Positioning System

C

Passive Remote Sensing

D

Active Remote Sensing


(c) is the correct answer.

Ques 34 GATE 2016 SET-1


In the consolidated undrained triaxial test on a saturated soil sample, the pore water pressure is zero

A

during shearing stage only

B

at the end of consolidation stage only

C

both at the end of consolidation and during shearing stages

D

under none of the above conditions


(b) is the correct answer.

Ques 35 GATE 2016 SET-1


A fine grained soil is found to be plastic in the water content range of 26-48%. As per Indian Standard Classification System, the soil is classified as

A

CL

B

CH

C

CL-ML

D

CI


(d) is the correct answer.

Ques 36 GATE 2016 SET-1


A vertical cut is to be made in a soil mass having cohesion c, angle of internal friction ϕ, and unit weight γ. Considering Ka and Kp as the coefficients of active and passive earth pressures, respectively, the maximum depth of unsupported excavation is

A

4c/γ√Kp

B

2c√Kp

C

4c√Ka

D

4c/γ√Ka


(d) is the correct answer.

Ques 37 GATE 2016 SET-1


The porosity (n) and the degree of saturation (S) of a soil sample are 0.7 and 40%, respectively. In a 100 m3 volume of the soil, the volume (expressed in m3) of air is


(42) is the correct answer.

Ques 38 GATE 2016 SET-1


A homogeneous gravity retaining wall supporting a cohesionless backfill is shown in the figure. The lateral active earth pressure at the bottom of the wall is 40 kPa.

The minimum weight of the wall (expressed in kN per m length) required to prevent it from overturning about its toe (Point P) is

A

120

B

180

C

240

D

360


(a) is the correct answer.

Ques 39 GATE 2016 SET-1


An undisturbed soil sample was taken from the middle of a clay layer (i.e., 1.5 m below GL), as shown in figure. The water table was at the top of clay layer. Laboratory test results are as follows:
Natural water content of clay - 25%
Preconsolidation pressure of clay - 60 kPa
Compression index of clay - 0.50
Recompression index of clay - 0.05
Specific gravity of clay - 2.70
Bulk unit weight of sand - 17 kN/m3
A compacted fill of 2.5 m height with unit weight of 20 kN/m3 is placed at the ground level.

Assuming unit weight of water as 10 kN/m3, the ultimate consolidation settlement (expressed in mm) of the clay layer is


(37.5) is the correct answer.

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