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Agriculture · Karatasi 1 · 2007

5 maswali

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Maswali (5)

Sehemu A

1. 20 alamas

(a) Describe the differences between a disc plough and a disc harrow. (b) (i) State when a farmer would choose a disc plough over a mouldboard plough. (ii) Explain the function of the scraper on a disc.

  1. Describe the differences between a disc plough and a disc harrow. (10 alama)
  2. State when a farmer would choose a disc plough over a mouldboard plough. (5 alama)
  3. Explain the function of the scraper on a disc. (5 alama)

Boresha ili kuona majibu ya mfano.

2. 20 alamas

A pulley with a diameter of 20 centimetres drives another pulley with a diameter of 10 centimetres. If the drive pulley rotates at 1,000 revolutions per minute, calculate the speed of the driven pulley. (b) Define velocity ratio.

  1. A pulley with a diameter of 20 centimetres drives another pulley with a diameter of 10 centimetres. If the drive pulley rotates at 1,000 revolutions per minute, calculate the speed of the driven pulley. (15 alama)
  2. Define velocity ratio. (5 alama)

Boresha ili kuona majibu ya mfano.

3. 20 alamas

(a) State the safety rules to be observed when using a forge in a workshop. (b) (i) Name two tools used in forging. (ii) Describe the process of tempering steel.

  1. State the safety rules to be observed when using a forge in a workshop. (10 alama)
  2. Name two tools used in forging. (5 alama)
  3. Describe the process of tempering steel. (5 alama)

Boresha ili kuona majibu ya mfano.

4. 20 alamas

(a) Define the term scale as used in surveying. (b) (i) Convert a scale of 1:5,000 into a statement scale. (ii) If a distance on a map is 10 centimetres, calculate the actual ground distance in kilometres.

  1. Define the term scale as used in surveying. (5 alama)
  2. Convert a scale of 1:5,000 into a statement scale. (5 alama)
  3. If a distance on a map is 10 centimetres, calculate the actual ground distance in kilometres. (10 alama)

Boresha ili kuona majibu ya mfano.

5. 20 alamas

(a) Explain the maintenance procedures for a knapsack sprayer. (b) Discuss the importance of calibration before using a sprayer.

  1. Explain the maintenance procedures for a knapsack sprayer. (10 alama)
  2. Discuss the importance of calibration before using a sprayer. (10 alama)

Boresha ili kuona majibu ya mfano.

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