Related Questions

Presence of small quantity of sulphur in low carbon steel improves its
A Formability
B Machinability
C Weldability
D Hardenarality
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
Addition of nickel to copper improves its
A Machinability
B Ductility
C Strength
D Hardness
Nickel when added to copper improves
A Machinability
B Hardness
C Hardness and strength
D Strength and ductility
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is
A 12
B 36
C 54
D 68
Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel
A 24 %
B 36 %
C 40 %
D 60 %
In low carbon steels, presence of small quantities of sulphur improves
A Weldability
B Formability
C Machinability
D Hardenability
Nickel and __________ are the alloying element added in steel to increase its toughness.
A Molybdenum
B Chromium
C Vanadium
D Silicon
Hardness of steel greatly improves with
A Annealing
B Cyaniding
C Normalizing
D Tempering

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