A. Are prone to temper brittleness
B. Are used for automobile parts like gears, axle, shaft, bearings etc.
C. Have very poor fatigue resistance
D. Do not contain nickel or chromium or both
Related Mcqs:
- 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 - Nickel and molybdenum are the basic constituents of___________________?
A. Hastelloy
B. German silver
C. Inconel
D. Solder - Nickel (56%) and molybdenum (17%) alloys are called________________?
A. Monel
B. Hastelloy C
C. Inconel
D. Bronzes - High speed cutting tool steels contain about _______________ percent of tungsten?
A. 6-8
B. 18-20
C. 30-35
D. 50-55 - 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. - 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 - Which of the following has a very high carbide forming tendency in steels ?
A. Silicon
B. Chromium
C. Nickel
D. Vanadium - Which of the following stainless steels is non-magnetic ?
A. Ferritic
B. Martenistic
C. Austenitic
D. None of these - Low carbon steels are those in which carbon percentage is around____________________?
A. 0.1 to 0.35
B. 0.4 to 0.7
C. 0.8 to 1.5
D. 1.5 to 2 - Which of the following stainless steels is non-magnetic ?
A. Ferritic
B. Martenistic
C. Austenitic
D. None of these
