Q. Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is

• (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