Related Questions

In low carbon steels, presence of small quantities of sulphur improves
A Weldability
B Formability
C Machinability
D Hardenability
Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its
A Corrosion resistance
B Tensile strength
C Machinability
D Compressive strength
Presence of cobalt in steel improves its
A Cutting ability
B Corrosion resistance
C Tensile strength
D None of these
Presence of nickel in steel improves its
A Corrosion resistance
B Cutting ability
C Wear resistance
D All of the above
Presence of manganese in alloy steel improves its
A Corrosion resistance
B Cutting ability
C Abrasion resistance & toughness
D Elasticity & creep resistance
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about
A 0.1
B 1
C 2.5
D 3.5
In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion.
A Sulphur
B Phosphorus
C Manganese
D Silicon
The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.
A Silicon
B Carbon
C Phosphorous
D Chromium
The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is _________ cutting speed for drilling mild steel with high speed steel drills.
A Equal to
B Less than
C More than
D None of these
The percentage of carbon in low carbon steel is
A 0.05%
B 0.15%
C 0.3%
D 0.5%

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