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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 9TH SEPTEMBER 2009 TIME: 11.00 A.M. – 1.00 P.M.
=================================================================
INSTRUCTIONS
SECTION A
Answer All question from this section.
1.
a)
Identify FOUR types of drawing papers citing specific use of each. (2 marks)
b)
Illustrate the relationship between the dimensions of A-size series drawing
papers.
(2 marks)
2.
With aid of a sketch, outline the correct procedure of setting a drawing paper on the
drawing
board. (4
marks)
3.
Briefly discuss FOUR principles of good technical lettering.
(4 marks)
4.
a)
Using freehand, construct the isometric view of a circle.
(2 marks)
b)
Outline the procedure of drawing a cube in isometric projection. (2 marks)
5.
Briefly describe basic technical drawing
equipment.
(4
marks)
Page 1 of 4
SECTION B
Answer question ONE and any TWO questions from this section.
1.
a)
Discuss the types of building drawings that are found on a construction site.
(10 marks)
b)
Figure 1 shows the isometric view of an object. To a scale of 1:10, draw the
plan, front elevation and side elevations in THIRD angle projection.
(10 marks)
2.
Figure 2 shows the floor plan of a sentry building. To a scale of 1.100, draw the front
elevation, side elevations and section Y-Y.
(15 marks)
3.
Figure 3 shows the isometric view of an object. In THIRD angle projection draw:
The plan
Front elevation
Right hand side elevation
Scale:
1:10
(15
marks)
4.
Figure 4 shows the orthographic views of a concrete block in FIRST angle projection.
To a scale of 1:5, draw the isometric view of the block with ‘LP’ as the lowest point.
(15 marks)
Page 2 of 4
Fig. 1
Floor
Plan
Fig
.2
Specifications
Roof
Wall Plate
-
100 x 50 mm
Rafters
-
100 x 50 mm
Purlins
- - 75
x
50
mm
Pitch
-
300
Covering
-
Galvanized corrugated iron sheets
Type
-
Couple
Wall
-
200 mm thick machine dressed stones
Door
-
900 x 2100 mm high
Window
-
900 x 1050 mm high
Floor
-
Ceiling height – 2400 mm
Page 3 of 4
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