GATE CE 2019 Paper 1 — page 11

Questions 31–33 of 65. Imported answers require review unless explicitly marked reviewed.

The maximum number of vehicles observed in any five minute period during the peak hour is 160. If the total flow in the peak hour is 1000 vehicles, the five minute peak hour factor (round off to 2 decimal places) is ________.

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A circular duct carrying water gradually contracts from a diameter of 30

to 15

. The figure (not drawn to scale) shows the arrangement of differential manometer attached to the duct.

Diagram for Civil Engineering question 22

When the water flows, the differential manometer shows a deflection of 8

of mercury (

). The values of specific gravity of mercury and water are 13.6 and 1.0, respectively. Consider the acceleration due to gravity,

. Assuming frictionless flow, the flow rate (in

, round off to 3 decimal places) through the duct is ________.

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The probability that the annual maximum flood discharge will exceed 2500

, at least once in next 5 years is found to be 0.25. The return period of this flood event (in years, round off to 1 decimal place) is ________.

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2019 · Paper 1

Question 21

Question 22

Question 23