官方题库以希伯来语、英语、阿拉伯语、俄语、西班牙语和法语发布；本版本显示为英文。
- 分类
- Safety
- 准驾车型
- 1
When should the tractor’s differential be locked?
正确答案: D. When one wheel skids on the ground and the tractor cannot proceed.
查看该分类下的更多试题
- What is forbidden to do after the differential is locked?1103
- Which tractor-derived pressure is used to operate attachments and additional equipment?1104
- What should be ensured before disengaging the hydraulic oil pipe connectors from the tractor’s attachment or from the tractor’s additional e1105
- How would you release the hydraulic oil pressure before disconnecting the supply piping from the tractor’s attachment or additional equipmen1106
- When is it obligatory to install a spark protector on a tractor?1107
- Where is the permitted to untie tools or a trailer from the tractor?1108
- What is the function of the tractor’s middle lift arm (“the third point”)?1110
- Which action should be taken after the tool is harnessed to the hydraulic lift arms?1111
在路上
