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Building And Construction Question Paper

Building And Construction

Course: Environmental Science

Institution: Mount Kenya University question papers

Exam Year:2012

SCHOOL OF HEALTH SCIENCES
DEPARTMENT OF PUBLIC HEALTH
UNIVERSITY EXAMINATION
UNIT CODE:HEH315
UNIT TITLE;BUILDING AND CONSTRUCTION.

DECEMBER 2012.MAIN EXAM
This paper has two sections A and B.Answer all questions in section A and any two in section B.
SECTION A

1. Briefly describe metamorphic rocks giving two [2]examples[5mks]
2. What are residual soils[5mks]
3. Briefly explain two ways in which the moisture content affects the strength of timber[5mks]
4. State five requirements in a construction site[5mks]
5. Describe provisional sum as used in bill of construction contracts[5mks]
6. Describe the raft type of foundation[5mks]
7. Explain the purpose of providing steel reinforcement in concrete lintels[5mks]
8. State 5 materials for covering the roofs of buildings[5mks]

SECTION B

9. Describe the workability of fresh concrete briefly outlining the tests to measure this property[15mks]
10. A cylindrical block of concrete is 30cm long and has a cross circular section 10cm diameter it carries a total compressive load of 55KN and under this load contracts 0.02cm.calculate.
a.the compressive stress over normal cross section
b. the compressive strain [15mks]
11. For the simply supported beam shown,determine
a.reaction at A[5mks]
b.Bending moments at critical points[5mks]
c.sketch the shear force and bending moment diagram[5mks]

----------4.1KMm------------------
__________________________________

A___________2.75__________________B

Building And Construction Question Paper

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