ASSEMBLY - Practice Mode

1) Which nut protects the bolt end thread from damages?

Cap nut Castle nut Slotted nut Knurled nut

Correct Answer: Cap nut

2) Which grade slip gauge is used for precision tool room applications?

Grade 00 Grade 0 Grade I Grade II

Correct Answer: Grade I

3) Which material is used to make slip gauge block?

Tool steel Low grade steel High grade steel with low thermal expansion High carbon steel

Correct Answer: High grade steel with low thermal expansion

4) Which operation is performed with fine abrasive particles?

Filing Lapping Scraping Polishing

Correct Answer: Lapping

Explanation:

Cassiterite is a tin oxide mineral, SnO₂. It is generally opaque, but it is translucent in thin crystals. Its luster and multiple crystal faces produce a desirable gem. Cassiterite was the chief tin ore throughout ancient history and remains the most important source of tin today.

5) What is the purpose of normalising?

Add cutting ability Develop high hardness Increase wear resistance Remove stress and strain

Correct Answer: Remove stress and strain

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