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Engineering Metrology MCQs
Which of the following is not used to make the toolmaker's flat?
2. Which of the following is not used to make the toolmaker's flat?
- Granite
- Cast iron
- Plastic
- Hardened steel
Answer
The correct answer is: C) Plastic
Explanation
A toolmaker's flat is made from really high-quality materials such as granite, cast iron, and hardened steel because these materials are proven to provide better stability and resistance than longevity in terms of accuracy.