Laboratory Practice And Management October/November 2014

Exam Year:2014

This past paper applies to

SECTION A (40 marks)
Answer ALL the question in this section in the spaces provided.
1. Outline the safety precautions taken while boring corks to insert glass tubing. (4 marks)
2. (a) Define the following terms: (2 marks)
( i) percentage solution;
(ii) normal solution.
(b) Calculate the volume of 0.1M NaOH required to neutralize 20 cm3 of 0.5M HCI.(2 marks)
3. Describe first aid treatment of a victim exposed to high dose harmful radiation. (4 marks)
4. (a) State the use of each of the following in a glass blowing laboratory:
(i) Oven; (1 marks)
(ii) Flaming tool. (1 marks)
(b) Explain why aquaregia should never be used to clean platinum ware. (2 marks)
5. Outline the steps followed in management by objectives. (4 marks)
6. Differentiate between incised and lacerated wounds. (4 marks)
7. List any four uses of cryogenic fluids. (4 marks)
8. Outline how stained platinum crucibles are washed. (4 marks)
9. State any four precautions to be taken while preparing a developer. (4 marks)
10. Outline any four factors considered when selecting materials for a laboratory bench. (4 marks)
SECTION B (60 marks)
Answer any THREE questions from this section in the spaces provided after question 15.
11. ( a) State any three functions of central store. (3 marks)
(b) Explain three methods of cleaning glassware in the laboratory. (5 marks)
(c) Describe a fume cupboard. (8 marks)
(d) Describe the first aid treatment of acid splash in the eye. (4 marks)
12 (a) Explain the major causes of industrial disputes. (15 marks)
(b) Outline any five benefits of motivation in an organization (5 marks)
13 (a) Describe the method of making a teat pipette. (10 marks)
(b) Describe the condition for use and maintenance of liquid air plant in a glass blowing
laboratory.(10 marks)
14 (a) Describe the composition of developing solution in photography. ( 12 marks)
(b) State two advantage of a technical camera over single lens reflex camera. (4 marks)
(c) Outline procedure of switching off film projector. (4 marks)
15 (a) State four reasons why managers delegate authority to subordinates. ( 4 marks)
(b) Compare and contrast strategic and operating decisions in management. (4 marks)
(c) Describe three types of skills important for effective management. (8 marks)
(d) Outline four benefits of planning. (4 marks)

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