Architectural Communication And Technical Drawing June/July 2014
THE KENYA NATIONAL EXAMINATION COUNCIL
DIPLOMA IN ARCHITECTURE
ARCHITECTURAL COMMUNICATION AND TECHNICAL DRAWING
INSTRUCTIONS TO CANDIDATES
Write your name and index number in the space provided above.
Sign and write the date of examination in the space provided above.
You should have the following for this examination:
– Drawing paper size A2;
– Drawing instruments;
– Pocket calculator
This paper consists of eight question in TWO section; A and B
Answer FIVE questions choosing THREE questions from section A and B.
Answer five questions choosing THREE questions from section A and TWO questions from section B.
All question carry equal marks .
Maximum marks for each part of question are as shown .
All the dimensions are in mm.
Candidates should answer the questions in English.
Candidates should check the question paper to ascertain that all the pages are printed as indicated and that no questions are missing.
SECTION A:ARCHITECTURAL COMMUNICATION
Answer any three questions from this section.
1. Figure 1 shows part plan of a workshop to be used for storing engines and machine spare parts.
To a scale of 1:5, draw section “C-C” from foundation to the eaves given the following information:
– Foundation strip;900 mm below ground level
– Foundation walls 225 mm thick- stone work
– Floor oversite concrete with cement/sand screed 150 mm thick
– Wall plate 100 x 50 mm
– Ring beam 225 x 150 mm reinforced with Y 10 bars
– Floor to ceiling level 2500 mm
– Roof covering: corrugated iron sheets.
Assume any other relevant information. (20 marks)
2. Figure 2 shows the plan of a simple house.Taking the height of walls as 2750mm and the width of the windows as 1200mm,draw to a scale of 1:100:
(a) Elevation 3 showing any rendered finish;
(b) Section 1-1 showing all substructure components.
Assume any relevant information.
3. (a) Describe three types of perspectives.
(b)Figure 3 shows a plan of kitchen. From the plan draw a three dimensional drawing showing the kitchen fitting given along the section x-x.
4. figure 4 shows two views of an object in first angle projection.Draw full size a two –point perspective view of the object given that:
Distance of picture plane (PPL) to horizontal line (HL)= 50 mm
Distance of horizontal line(HL) to ground line (GL)=60 mm
Assume any other relevant information.
5. (a) list six tools and materials used in model making.
(b)Explain the meaning of the following types of models:
i. Site models;
ii. Form models
iii. Details model;
iv. Scheme model.
(c) Figure 5 shows the front elavation of a semi circular arch.Arcs ab,bc and cd are equal and lines passing through points b,c and d are normals to the curve. To a scale of 1:10, draw the arch.
SECTION B :TECHNICAL DRAWING
Answer any TWO questions from this section.
6. (a) State FIVE general rules observed in line work.
(b) Sketch the following types of lines and state where each is used:
i. Construction lines;
ii. Hidden lines;
iii. Centre line;
iv. Dimension lines.
(c)With the aid of a sketch, outline the procedure of bisecting an angle.
7. (a) Using concentric circle method construct an ellipse with a major axis of 1200 mm and a minor axis of 70 mm.
(b) Figure 6 shows a front elevation and a plan of a shaped block. Draw a free hand isometric view of the block taking “x” as the lowest point. (12 marks)
8. figure 7 shows the front elevation of a truncated hexagonal pyramid of size length 20mm and a total height of 60 mm.
i. the given view;
ii. the plan;
iii. the left end elevation;
iv. surface development of the pyramid;
v. true shape of the cut surface.