20 WAEC Auto -Mechanical Work question

Answer 1

Here are 20 questions related to Auto-Mechanical Work, which could be relevant for the WAEC (West African Examination Council) examinations:

Questions

1. Define the term 'automobile'. What are the basic components of an automobile?

2. What is the function of the engine in a vehicle? Explain the difference between a four-stroke and two-stroke engine.

3. Describe the working principle of a carburetor and its role in an internal combustion engine.

4. What are the main types of vehicle suspension systems? Discuss the advantages and disadvantages of each type.

5. Explain the importance of oil in an automobile engine. What are the consequences of using the wrong type of oil?

6. What is wheel alignment? Describe how improper wheel alignment can affect vehicle performance and tire longevity.

7. List and explain the various types of fuel injection systems used in modern vehicles.

8. Discuss the role of the ignition system in an internal combustion engine and compare traditional ignition systems with modern electronic systems.

9. What are the common signs of brake system failure? Explain the maintenance required to ensure brake systems function properly.

10. Describe the process of performing a routine maintenance check on an automobile. What elements should be included?

11. What is the purpose of the exhaust system in a vehicle? How does it affect vehicle performance and emissions?

12. Explain the function of the alternator in an automobile and how it differs from the battery.

13. Discuss the types of automatic transmissions and compare them with manual transmissions. Which is generally more efficient?

14. What role does the radiator play in an automobile cooling system? Describe the effects of overheating on engine performance.

15. Define 'chassis' and explain the different types of chassis used in vehicles.

16. What are the major factors that can affect fuel efficiency in vehicles? Discuss ways to improve fuel efficiency.

17. Explain how the anti-lock braking system (ABS) works and its advantages over traditional braking systems.

18. Describe the process of diagnosing electrical problems in an automobile. What tools are essential for this diagnosis?

19. Discuss the environmental impact of automobiles and the measures that can be taken to reduce emissions.

20. What safety features are typically found in modern vehicles? Explain how these features enhance driver and passenger safety.

Tips for Preparation

• Ensure to study topics related to each question thoroughly.
• Practice diagrams where necessary, such as for engine components or suspension systems.
• Revise safety regulations and environmental standards associated with automobile mechanics.
• Stay updated on recent advancements in automotive technology that may be relevant for your exams.

Good luck with your studies!