GATE CE 2022 Paper 2 — page 18

Questions 52–54 of 65. Imported answers require review unless explicitly marked reviewed.

A uniform rod

of weight

shown in the figure rests against a frictionless vertical wall at the point

and a rough horizontal surface at point

. It is given that

and

Diagram for Civil Engineering question 52

The minimum coefficient of static friction that is required at the point

to hold the rod in equilibrium is __________. (round off to three decimal places)

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The activities of a project are given in the following table along with their durations and dependency.

Activities	Duration (days)	Depends on
A	10	-
B	12	-
C	5	A
D	14	B
E	10	B, C

The total float of the activity E (in days) is ________. (in integer)

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A group of total 16 piles are arranged in a square grid format. The center-to-center spacing (

) between adjacent piles is 3 m. The diameter (

) and length of embedment of each pile are 1 m and 20 m, respectively. The design capacity of each pile is 1000 kN in the vertical downward direction. The pile group efficiency (

) is given by

where

and

are number of rows and columns in the plan grid of pile arrangement, and

. The design value of the pile group capacity (in kN) in the vertical downward direction is __________________. (round off to the nearest integer)

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2022 · Paper 2

Question 52

Question 53

Question 54