Technical Designs And Drawing Question Paper

Technical Designs And Drawing

Course:Bachelor Of Science In Environmental Health

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE (ENVIRONMENTAL HEALTH)
HEH 207: TECHNICAL DESIGNS AND DRAWING
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DATE: Wednesday 19th August, 2009 TIME: 11.00 a.m. – 1.00 p.m.

INSTRUCTIONS
This paper consists of TWO sections A and B.

SECTION A
Answer ALL questions in this Section.
1.Explain FOUR features of good lettering in technical drawing. [4 marks]

2.Briefly describe the TWO broad types of drawings. [4 marks]

3.Briefly describe SIX materials used in technical drawing. [4 marks]

4.Illustrate the lines used in technical drawing citing the application of each.
[4 marks]

5.a)Explain the importance of material symbols in architectural drawing.[1 mark]

b)Illustrate THREE material symbols. [3 marks]

SECTION B
Answer question ONE and any other TWO questions from this Section.
1.The specifications given below relate to the construction of a lecture hall. To a
scale of 1: 10 draw and label a typical section to show the foundation and the
floor construction. [20 marks]

2. Using TWO different methods, sketch a pre-cast concrete drain pipe.[15 marks]

3.Figure 1 shows the isometric view of an object. To a scale of 1:2 draw the plan,
front elevation and side elevations in third angle projection. [15 marks]

4.a) Figure 2 shows the plan of an engineering component. To a scale of 1:10
draw and dimension the plan. [5 marks]

b) Figure 3 shows the orthographic views of an object. To a scale of 1:2
draw the isometric view of the object with L.P as the lowest point.[10 marks]
Specifications
Foundation depth - 800 mm
Foundation - 600 x 200 mm concrete strip
Foundation wall - 200 mm thick natural stone
Hardcore - 200 mm thick
Concrete slab - 100 mm thick
Blinding - 50 mm thick
Damp proof membrane - Gauge 500 polythene
Damp proof course - Bitumen felt

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