Ordinary level 2026 North West mock mechanical technology 2

Based on the images provided, here is the extracted data and questions from the examination paper.

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Question 1: Petrol Injection System (Figure 1)

Note: Figure 1 itself is not visible in the crop, but the questions refer to it.

a- What type of petrol injection system is shown above? (1 mark)

b- Fill the table below: (3.75 marks)

Ref.	Name of part (0.25mark x 5)	Function (0.25mark x 5)
4
6
9
10
15

c- Give two parameters required by the ECU to determine the quantity of fuel to be injected. (1 mark x 2 = 2 marks)

d- What is the effect on engine performance if part (11) fails? (1.25 mark)

e- Part (2) is the pump. Give any two signs of a malfunctioning fuel pump as the engine runs. (1 mark x 2 = 2 marks)

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Question 2: GEARBOX (Figure 2)

Note: Figure 2 is mentioned but the diagram is partially cut off in the second image.

a- What type of manual gearbox is shown in figure 2 above? (1 mark)

b- State three (03) requirements of an automobile manual gearbox. (1 mark x 3 = 3 marks)

c- Give the names of parts 1, 2, 3 and 4 of figure 2 above. (2 marks)

N°	Name (0.5mark x 2)	N°	Name (0.5mark x 2)
1		3
2		4

d- What is the major problem with this type of gearbox? (1 mark)

e- State the function of parts 1, 2 and 3. (1 mark x 3 = 3 marks)

• Part 1: ______________________________________

• Part 2: ______________________________________

• Part 3: ______________________________________

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Question 3: DIFFERENTIAL UNIT (Figure 3)

Note: Figure 3 is a diagram of a differential unit with labeled parts 1 through 6.

Figure 3 is the diagram of a differential unit.

• Part 1: Pinion gear / Drive pinion

• Part 2: Crown wheel / Ring gear

• Part 3: Differential case / Housing

• Part 4: Sun gear / Side gear

• Part 5: Planet gear / Pinion

• Part 6: Bearings

• Axle: Shown extending from the sun gear.