Exam-style question
Try this first
Which of the following methods would most effectively increase the efficiency of a car engine?.
- A.Increasing the car's overall weight.
- B.Attaching more external accessories to the car's body.
- C.Using lubrication on moving parts to reduce friction.
- D.Painting the car a darker colour.
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.