Carpenter Red Seal Exam Prep · Question
A surveyor's cut stake is marked 'C 0.65' for a road sub-grade. If the top of the stake is 0.20 m above the current ground, what is the actual depth from the top of the stake to the required sub-grade elevation?
The stake itself is 0.20 m above ground. The 'C 0.65' means 0.65 m deep from the current ground. Therefore, the total depth from the top of the stake to the sub
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Question: A surveyor's cut stake is marked 'C 0.65' for a road sub-grade. If the top of the stake is 0.20 m above the current ground, what is the actual depth from the top of the stake to the required sub-grade elevation?
Answer options:
- 0.45 m ✅ 0.85 m
- 0.65 m
- 0.20 m
Correct answer: 0.85 m
Explanation: The stake itself is 0.20 m above ground. The 'C 0.65' means 0.65 m deep from the current ground. Therefore, the total depth from the top of the stake to the sub-grade is 0.20 m (stake height) + 0.65 m (cut from ground) = 0.85 m.
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