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What is the hardness of molybdenum powder?

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What is the hardness of molybdenum powder?

(a) 168-183 Vickers

(b) 246-263 Vickers

(c) 321-368 Vickers

(d) 330-390 Vickers

This question was posed to me in an internship interview.

The question is from Metal Spraying and Hard Facing, Age Hardening in division Wear of Metals, Mechanical Properties and Testing of Engineering Material & Metallurgy

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Best answer
Correct option is (c) 321-368 Vickers

The best explanation: Molybdenum wire and powder, and tungsten wire and powder are a few plasma sprayed coatings of metal. Molybdenum powder has a hardness of 321-368 Vickers, whereas tungsten powder is of 330-390 Vickers.

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