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Mechanical Engineering - Workshop Technology

Exercise : Workshop Technology - Section 4
31.
Piercing is an operation of cutting
a cylindrical hole in a sheet of metal by the punch and the die
a hole (other than cylindrical) in a sheet of metal by the punch and the die
a flat sheet to the desired shape
a number of holes evenly spaced in a regular pattern on a sheet of metal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Shift is a casting defect which
results in a mismatching of the top and bottom parts of a casting
results in general enlargement of a casting
occurs near the ingates as rough lumps on the surface of a casting
occurs as sand patches on the upper surface of a casting
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
During drawing operation, the states of stress in cup would include
compressive stress in the flange
tensile stress in the wall
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
A diamond pointed chisel is used for cutting
flat surfaces
grooves
keyways
V-shaped grooves
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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