Engine: Expired / General Subjects

1. A Introduce the cooling water first, then gradually introduce the lube oil until full flow is established to avoid thermal shock.
2. B Introduce the lubricating oil first, then gradually introduce the cooling water until full flow is established to avoid thermal shock.
3. C Introduce both the cooling water and the lubricating oil simultaneously and gradually to avoid thermal shock.
4. D Introduce both the cooling water and the lubricating oil simultaneously establishing full flow of both fluids immediately to avoid thermal shock.

Tip: press A-D to answer