38) A line is inclined to HP and parallel to VP. Then the true length of a line is represented in
Answer is:
Elevation
ISRO Draughtsman-B Mechanical Question Paper - 2016 (Set -1) with Answer Key
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Answer is:
Martensite
Explanation:
If the hot steel is cooled rapidly the austenite changes into a new structure called ‘MARTENSITE’. This structure is very fine grained, very hard and magnetic. It is extremely wear-resistant and can cut other metals.
