Forging Multiple Choice Questions and Answers

11. Forging of a plain carbon steel is carried out at

1. 750 degree Celcius
2. 900 degree Celcius
3. 1100 degree Celcius
4. 1300 degree Celcius

12. Fullers are used for

1. Necking and grooving
2. Forming the heads of rivets, bolts etc
3. Making shoulders with right angles
4. Drawing down

13. Hot die and isothermal forging is used on:

1. ferrous materials only
2. non-ferrous material only
3. materials with narrow forging ranges
4. only very ductile materials

14. Hot press forging

1. Causes a steadily applied pressure instead of impact force
2. Is used to force the end of a heated bar into a desired shape
3. Is a forging operation in which two halves of rotating die open and close rapidly while impacting the end of the heated tube or shell
4. Is a forging method for reducing the diameter of a bar and in the process making it longer

15. Metal flow in open-die forging is:

1. limited
2. practically unlimited
3. harder to achieve
4. done without any lubrication

16. Roll forging

1. Causes a steadily applied pressure instead of impact force
2. Is used to force the end of a heated bar into a desired shape
3. Is a forging operation in which two halves of rotating die open and close rapidly while impacting the end of the heated tube or shell
4. Is a forging method for reducing the diameter of a bar and in the process making it longer

17. Swage block is made of

1. Mild steel
2. Malleable cast iron
3. High carbon steel
4. Tool steel

18. The most suitable heating temperature for forging low alloy steel is

1. 750 Degree Centigrade
2. 850 Degree Centigrade
3. 1100 Degree Centigrade
4. 1200 Degree Centigrade

19. The operation of removing the burr or flash from the forged parts in drop forging is known as

1. Lancing
2. Trimming
3. Coining
4. Shot peening

20. The primary difference between hot die forging and isothermal forging is:

1. the temperature of the workpiece
2. the temperature of the dies
3. the materials forged
4. workpiece finishing.