GATE CE 2018 Paper 2 — page 9

Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.

In the figures, Group I represents the atmospheric temperature profiles (P, Q, R and S) and Group II represents dispersion of pollutants from a smoke stack (1, 2, 3 and 4). In the figures of Group I, the dashed line represents the dry adiabatic lapse rate, where the horizontal axis represents temperature and the vertical axis represents the altitude.

Diagram for Civil Engineering question 15

The correct match is

Your answerChoose one option.

P-1, Q-2, R-3, S-4

P-1, Q-2, R-4, S-3

P-1, Q-4, R-3, S-2

P-3, Q-1, R-2, S-4

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Peak Hour Factor (PHF) is used to represent the proportion of peak sub-hourly traffic flow within the peak hour. If 15-minute sub-hours are considered, the theoretical possible range of PHF will be

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0 to 1.0

0.25 to 0.75

0.25 to 1.0

0.5 to 1.0

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As per IRC:37-2012, in order to control subgrade ruting in flexible pavements, the parameter to be considered is

Your answerChoose one option.

horizontal tensile strain at the bottom of bituminous layer

vertical compressive strain on top of subgrade

vertical compressive stress on top of granular layer

vertical deflection at the surface of the pavement

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2018 · Paper 2

Question 15

Question 16

Question 17