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Mechanical Engineering - Workshop Technology

Exercise : Workshop Technology - Section 5
1.
The vertical welding do not require plate edge preparation upto 16 mm thickness.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The dowels are
wooden nails
box nails
wire nails
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In arc welding, the temperature of heat produced by the electric arc is of the order of
3000° C to 4000° C
4000° C to 5000° C
5000° C to 6000° C
6000° C to 7000° C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Extrusion
is extensively used for making bolts and nuts
is used for reducing the diameter of round bars and tubes by rotating dies which open and close rapidly on the work
is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The operation of cutting of a flat sheet to the desired shape is called
shearing
piercing
punching
blanking
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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