W1-2-60-1-6
JOMO KENYATTA UNIVERSITY
OF
AGRICULTURE AND TECHNOLOGY
University Examinations 2012/2013
EXAMINATION FOR THE DIPLOMA IN ARCHITECTURE
ABA 0202 : PHYSICAL ENVIRONMENT II (GEOLOGY)
DATE: AUGUST 2012 TIME: 1½ HOURS
INSTRUCTIONS: ANSWER QUESTION ONE (COMPULSORY) AND
ANY OTHER TWO QUESTIONS.
QUESTION ONE (30 MARKS)
(a) With the aid of a diagram, describe the constituent parts of the earth. [6 marks]
(b) Explain the following branches of geology: [10 marks]
(i) Structural geology.
(ii) Engineering geology.
(iii) Petrology.
(iv) Economic geology.
(v) Sendimentology.
(c) Describe the mode of formation of the three major types of rocks and give an example in each. [10 marks]
(d) What are the geo-environmental factors that affect land use?
[4 marks]
QUESTION TWO (20 MARKS)
(a) Give an outline of geological processes affecting man-made features. [6 marks]
(b) Outline three types of chemical weathering. [3 marks]
(c) Define the following terms:
(i) Earth movement. [2 marks]
(ii) Faulting. [2 marks]
(iii) Folding. [2 marks]
QUESTION THREE (20 MARKS)
(a) Outline three sources of ground water. [3 marks]
(b) Write short notes on the following types of acquifer:
(i) Perched acquifer. [2 marks]
(ii) Confined acquifer. [2 marks]
(iii) Unconfined acquifer. [2 marks]
(c) Explain what you understand by the term:
(i) Vulcanicity. [2 marks]
(ii) Dimension stone. [2 marks]
(iii) Extrusive volcanic features and give an example. [2 marks]
QUESTION FOUR (20 MARKS)
(a) Discuss four important properties of assessing the suitability of construction materials. [8 marks]
(b) With the aid of a diagram, discuss the vertical sequence in soil profile. [7 marks]
QUESTION FIVE (20 MARKS)
(a) What do you understand by the term “a seismic activity”?
[2 marks]
(b) Outline three bases of classifying earthquakes and give an example in each case. [6 marks]
(c) Outline two major causes of earthquakes. [2 marks]
(d) Discuss five effects of earthquakes. [5 marks]
