Question 9:
Diagram 9 shows the operational principle of a four-stroke diesel engine.
Diagram 9
(a) Name the part K. [1 mark]
(b) Name the substance L. [1 mark]
(c) Which stroke shows that the diesel is injected into the cylinder? [1 mark]
(d) Mark (√) in the boxes provided the characteristics of a four-stroke diesel engine. [2 marks]
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(e) In your opinion, why most taxis in Malaysia use natural gas as fuel? [1 mark]
Answer:
(a) Fuel injector
(b) Air
(c) T – Power stroke
(d)
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(e) Save cost
Diagram 9 shows the operational principle of a four-stroke diesel engine.

(a) Name the part K. [1 mark]
(b) Name the substance L. [1 mark]
(c) Which stroke shows that the diesel is injected into the cylinder? [1 mark]
(d) Mark (√) in the boxes provided the characteristics of a four-stroke diesel engine. [2 marks]

(e) In your opinion, why most taxis in Malaysia use natural gas as fuel? [1 mark]
Answer:
(a) Fuel injector
(b) Air
(c) T – Power stroke
(d)

(e) Save cost