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Mechanical Engineering - Workshop Technology

Exercise : Workshop Technology - Section 3
36.
The process extensively used for making bolts and nuts is
hot piercing
extrusion
cold peening
cold heading
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Spot welding is used for welding
lap joints in plates having 0.025 mm to 1.25 mm thickness
lap joints in plates having thickness above 3 mm
butt joints in plates having 0.025 mm to 1.25 mm thickness
butt joints in plates having thickness above 3 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Thermit welding is often used in
replacing broken gear teeth
repairing broken shears
joining rails, truck frames and locomotive frames etc.
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The directional solidification in casting can be improved by using
chills and chaplets
chills and padding
chaplets and padding
chills, chaplets and padding
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
A sand employed on the faces of the pattern before moulding, is called
green sand
dry sand
loam sand
parting sand
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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