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Questions and Answers
Which of the following is NOT a property shared by refractory metals?
Which of the following is NOT a property shared by refractory metals?
- High melting point
- Resistance to heat and wear
- Low density (correct)
- Chemical inertness
Which elements are included in the most common definition of refractory metals?
Which elements are included in the most common definition of refractory metals?
- Niobium and molybdenum
- Molybdenum and tungsten
- Tantalum and tungsten (correct)
- Rhenium and niobium
What is the method of choice for fabricating components from refractory metals?
What is the method of choice for fabricating components from refractory metals?
- Casting
- Powder metallurgy (correct)
- Forging
- Extrusion
Which of the following is NOT an application of refractory metals?
Which of the following is NOT an application of refractory metals?
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Why are refractory metals stable against creep deformation to very high temperatures?
Why are refractory metals stable against creep deformation to very high temperatures?
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