Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is ______________________?
Correct answer: A. Used for making axle & shafts of aeroplanes, automobiles and locomotives
- A. Used for making axle & shafts of aeroplanes, automobiles and locomotives
- B. Having poor fatigue resistance
- C. Having poor toughness
- D. Not helpful in producing cleaner steel due to oxidising action of vanadium
Explanation
Chrome-vanadium steel is valued for strong, fatigue-resistant shafts and axles in aircraft, automobiles and locomotives. Vanadium also acts as a deoxidiser, so option d is false, while the alloy is not generally described as having poor toughness or fatigue resistance.
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