CHAPTER 6 :MATERIAL PROCESSING (1)
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which of the following process the work piece is pulled through a die resulting in reduction of area?
Forging
Drawing
Forging
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of cores used in casting?
To remove dissolved gases
To avoid defects
To form hollow region
To remove green sand
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The upper half of a sand-casting mold is called which one of the following:
cope
drag
sprue
gate
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Depending upon the temperature the forming process can be classified as?
Cold working
Hot working
All of the mentioned
None of the mentioned
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which of the following process the ductility of material decreases?
Hot working
Warm working
Cold working
None of the mentioned
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cold working is done at a temperature?
Above re crystallization temperature
Below re crystallization temperature
Equal to re crystallization temperature
Below re crystallization temperature and above room temperature
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process got a better dimensional accuracy?
Hot working
Warm working
Cold working
Both Hot and Cold working
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