Hydraulics 3 Question Paper

Hydraulics 3

Course:Bachelor Of Science (Water & Environmental Engineering)

Institution: Kenyatta University question papers

Exam Year:2008

KENYATTA UNIVERSITY
INSTITUTE OF OPEN LEARNING (IOL)
UNIVERSITY EXAMINATIONS 2007/2008
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR
OF SCIENCE (WATER ENGINEERING)

SET 527:
HYDRAULICS III

DATE: Friday, 11th July, 2008

TIME: 1.00 p.m. – 3.00 p.m.
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INSTRUCTIONS:
This paper contains FIVE questions. Attempt THREE questions only.
Question 1
a)
Discuss the factors which are considered in the selection of the sits for a proposed dam. It is assumed that the type of the dam has already been selected for the project. (10 marks)
b)
Differentiate between horizontal and vertical piping in earth dams. Suggest permanent measure to check vertical piping. (10 marks)

Question 2
What are the different ways by which a concrete gravity dam may fail, and how will you ensure its safety against each type of failure? (20 marks)

Question 3
a)
Explain and elaborate the importance of seepage through earthen dams. (10 marks)
b)
What precautions and remedial measures would you undertake to control the seepage through
i)
earthen dam body
ii)
through the dam foundations
(10 marks)

Questions 4
a)
What useful purpose is served by a dam? What are the ill effects of dam construction? (10 marks)
b)
Explain in details the various forces causing instability in a gravity dam. (10 marks)

Question 5
a)
Explain by neat sketches the different ways by which the earthen dams may fail. Suggest suitable precautions that should be undertaken to avoid each type of failure. (10 marks)
b)
Discuss the various factors which govern the selection of a particular type of dam for a particular project. (10 marks)

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