11. Match the product in Group 1 and the main manufacturing process in Group 2.
Group 1
Group 2
P. Cement kilns
1. Rolling and welding
Q. Gas pipelines
2. Casting and welding
R. Cycle rims
3. Forging and welding
S. Seamless pipe
4. Extrusion and welding
5. Forging and extrusion
Group 1 | Group 2 |
P. Cement kilns | 1. Rolling and welding |
Q. Gas pipelines | 2. Casting and welding |
R. Cycle rims | 3. Forging and welding |
S. Seamless pipe | 4. Extrusion and welding |
5. Forging and extrusion |
12. Fatigue strength of steel can be'increased by
13. Which of the following metal working operations can be categorized as an indirect compression process?
14. Classification of metal forming processes into hot and cold working is based on the following parameter.
15. As the % reduction increases, the flow stress during hot isothermal forging of a metal
16. Often earing defects are found during deep drawing operation, because the
17. For the occurence of "bite" in rolling, the following condition should be satisfied.
18. For ingot breakdown by hot rolling, the rolls are generally grooved paralled to the roll axis in order to
P. increase the arigle of bite
Q. decrease the rolling load
R. achieve larger reduction
S. decrease roll flattening
P. increase the arigle of bite
Q. decrease the rolling load
R. achieve larger reduction
S. decrease roll flattening