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Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Civil Engineering (CE) MCQ


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8 Questions MCQ Test GATE Civil Engineering (CE) 2025 Mock Test Series - Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2

Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 for Civil Engineering (CE) 2024 is part of GATE Civil Engineering (CE) 2025 Mock Test Series preparation. The Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 below.
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Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 1

A gravity dam is to be designed as a high dam if it’s height h is as follows:
where fc = permissible comp, stress, μ, W and Ss have their usual meaning

Detailed Solution for Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 1

Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 2

In modern practice the free board normally provided for gravity dam is

Detailed Solution for Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 2

Fine board is provided in gravity dam is normally 3/2 hw or 4-5% of the dam material.

Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 3

Consider the following statements :
Phreatic line in an earth dam is
1. elliptical in shape
2. an equipotential line
3. the top-most flow line with zero water pressure
4. approximately a parabola

Which of these Statements are correct?

Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 4

The down stream slope of an earthen dam is critical when

Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 5

The safe base width B of an elementary gravity dam profile using stability or sliding criteria is given by
where:
h = height of dam;
C = uplift pressure coefficient.
Others have usual meaning

Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 6

When a reservoir is full, the maximum compressive stress in gravity-dam occurs

Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 7

An earthquake acceleration of 0.1 g acting vertically downward causes in a gravity dam

Detailed Solution for Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 7

Effective unit weight is given by,

so when αv = 0.1 g (downward)
effective unit weight

Net effective weight of Dam 

Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 8

What is the height of wave which is likely to be generated by a wind of 80 km/hr in a reservoir having a fetch of 50 km?

Detailed Solution for Test: Gravity Dams, Earthen Dams & Rock Fill Dams - 2 - Question 8

Waves are generated on the surface of reservoir by the blowing winds, which causes a pressure towards the downstream side. Wave pressure depends upon the wave, height. Wave height in metres may be given by the equation.

where V is wind velocity in km/hr and F is fetch in km.
∴  

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