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1.Based on the selected experiment, a sample size near to 20 with pre and post assessment after psychotherapy sessions, can we apply paired sample T test? or other suggested tests? Discuss

2. a) Describe the maintenance practices requird on a tractor before it is put to daily use  

     b) Outline the factors that influence the power output by a draught animal  

3. State two uses of gear box in a tractor

4. State two uses for which wind power is harnessed

5. Name three implements that are connected to the power take-off shaft

6. Below is a farm implement, study it keenly and answer the questions that follow:-

    (a) Name the farm implement drawn above 

    (b) Identify the parts labelled L and M above

    (c) Give the function of the part labeled M    

  (d) State the field condition under which the implement can work better than the others

7. (a) Explain the factors that a farmer should consider in ensuring fast and efficient cultivation 

        by oxen

   (b) Outline the importance of lubrication system in a tractor

   (c) State the daily maintenance and servicing of a tractor

8. State the functions of the following parts of power transmission in a tractor:

    (i) Hydraulic system

    (ii) Draw bar

     (iii) Propeller shaft

    (ii) State three sources of tractor hire service

9. (i) What is a tractor hires services (1mk)

   (ii) State three sources of tractor hire service (1½mks)   

10. The diagram below represents an assembled differential of a tractor. Use it to answer the 

      questions    that follow:-

  (a) Name the parts labeled A, B, C and D

   (b) State two functions of differential system of a tractor

   (c) Give two reasons why wheel skidding of a tractor is not allowed

SCIENCE
HEALTH SCIENCE
NURSING

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