A. Corrosion resistance
B. Cutting ability
C. Wear resistance
D. All A., B. and C.
Related Mcqs:
- Addition of nickel to copper improves its_________________?
A. Machinability
B. Ductility
C. Strength
D. Hardness - Presence of cobalt in steel improves its____________________?
A. Cutting ability
B. Corrosion resistance
C. Tensile strength
D. None of these - Presence of manganese in alloy steel improves its___________________?
A. Corrosion resistance
B. Cutting ability
C. Abrasion resistance & toughness
D. Elasticity & creep resistance - Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ?
A. Invar
B. Constantan
C. Chromel
D. Alumel - Alinco, which is a aluminium-cobalt-nickel steel, is used for making __________________?
A. Surgical instruments
B. Powerful magnets
C. Chemical equipments
D. Boiler tubes - A steel alloy containing 36% nickel is called _____________________, which has a zero co-efficient of expansion?
A. Austenitic stainless steel
B. Heat resisting steel
C. Invar
D. High speed steel - Addition of 2% nickel in steel makes it suitable for making ___________________?
A. Electronic valves
B. Boiler plates, rivets etc.
C. Turbine blades
D. Connecting rod - The ability of a material to offer resistance to scratching or indentation is a measure of its_________________?
A. Brittleness
B. Toughness
C. Hardness
D. Resilience - The addition of antimony in tin-based alloys improves its________________?
A. Rupture strength and hot hardness
B. Impact strength and bonding strength
C. Deformation resistance
D. Wear resistance - 18/8 steel is a/an __________ stainless steel ?
A. Austenitic
B. Ferritic
C. Martensitic
D. None of these
