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Which of the following is/are the high melting point metals?

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Which of the following is/are the high melting point metals?

(a) Molybdenum

(b) Tungsten

(c) Columbium

(d) Molybdenum, tungsten, columbium, and tantalum

The question was posed to me during an interview.

Question is taken from High Temperature Materials in section High Temperature Corrosion of Corrosion Engineering

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Correct option is (d) Molybdenum, tungsten, columbium, and tantalum

The explanation: Metals – Melting points

i. Tungsten – 6170°F

ii. Tantalum – 5430°F

iii. Molybdenum – 4750°F

iv. Columbium – 4380°F.

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