Câu hỏi thi bằng lái Thái Lan: Ắc quy nên bọc đầu cực nào

Question / คำถาม

Ắc quy nên bọc đầu cực nào?

(แบตเตอรี่ควรมีฉนวนหุ้มที่ขั้วแบตเตอรี่ขั้วใด)

Which battery terminal should have an insulating cover?

Answer choices / ตัวเลือก

1. A. Cực dương (ขั้วบวก) (Positive terminal)
2. B. Cực âm (ขั้วลบ) (Negative terminal)
3. C. Cả hai (ไม่จำเป็นต้องมีฉนวนหุ้ม) (Not necessary to have insulation)
4. D. Không (หุ้มทั้งสองขั้ว) (Cover both terminals)