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

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]
Page 1 of 2

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

Dampproof membrane
-
Gauge 500 polythene
Dampproof
course
- Bitumen
felt

……………………
Page 2 of 2

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