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
Related Mcqs:
- High speed cutting tool steels contain about _______________ percent of tungsten?
A. 6-8
B. 18-20
C. 30-35
D. 50-55 - Which of the following has no effect on the carbide forming tendency in steels ?
A. Molybdenum
B. Phosphorus
C. Chromium
D. Vanadium - Ferric stainless steels compared to austenitic stainless steels________________?
A. Have lower corrosion resistance
B. Are harder to fabricate
C. Are less ductile and hence less suitable for cold pressing
D. All A., B. and C. - Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the ______________ stress?
A. Ultimate
B. Yield point
C. Proof
D. None of these - Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines ?
A. Silicon steel
B. Chromium steel
C. Molybdenum steel
D. None of these - _____________________ is used for determining the tensile strength of steels ?
A. Hydraulic press
B. Universal testing machine
C. Mechanical press
D. None of these - Which of the following alloy steels is the most suitable for making gun barrels and projectiles ?
A. Tungsten steel
B. Molybdenum steel
C. Nickel-chrome steel
D. Cobalt steel - Shock resisting steels should possess high___________________?
A. Hardness
B. Toughness
C. Tensile strength
D. Wear resistance - Which of the following stainless steels is non-magnetic ?
A. Ferritic
B. Martenistic
C. Austenitic
D. None of these - Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)___________________?
A. Do not require heat treatment for any of its applications
B. Are used for leaf and coiled springs
C. Do not have good resilience properties
D. Is tempered at 850°C
