GATE CE 2017 Paper 1 — page 8

Questions 22–24 of 65. Imported answers require review unless explicitly marked reviewed.

A 3 m thick clay layer is subjected to an initial uniform pore pressure of 145 kPa as shown in the figure.

For the given ground conditions, the time (in days, rounded to the nearest integer) required for 90% consolidation would be ____________

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A triangular pipe network is shown in the figure.

The head loss in each pipe is given by

, with the variables expressed in a consistent set of units. The value of

for the pipe

is 1 and for the pipe

is 2. If the discharge supplied at the point

(i.e., 100) is equally divided between the pipes

and

, the value of

(up to two decimal places) for the pipe

should be ____________

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The ordinates of a 2-hour unit hydrograph for a catchment are given as:

Time (h)	0	1	2	3	4
Ordinate (m³/s)	0	5	12	25	41

The ordinate (in m³/s) of a 4-hour unit hydrograph for this catchment at the time of 3 h would be ________.

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2017 · Paper 1