Eom-3 paper-2

11,The carbon content in the steel is?,

3 to 4 %,

0.15 %,

1.8 to 5 %,

less than 1.8 %,

Ans:4

12,In steel as well as in wrought iron the percentage of sulphur should not exceed ?,

0.06,

0.1,

0.5,

0.8,

Ans:1

13,In wrought iron the % of phosphourus should not exceed ?,

0.06,

0.2,

0.5,

1.0,

Ans:2

14,The process of heating the metal to normalising temparature and then allowing it to cool slowly and uniformly not in air is called?,

Forging,

Normalising,

Annealing,

Hardening,

Ans:3

15,The objective of annealing is?,

To remove internal strains,

To reduce the size of crystal grains,

To improve the strength,

None,

Ans:1