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91
The dowels are
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Answer & Solution
Answer: Option A
Solution:
The wooden dowel rod used in woodworking applications is commonly cut into dowel pins, which are used to reinforce joints and support shelves and other components in cabinet making.
92
Sand wash is a casting defect which
Discuss
Answer & Solution
Answer: Option C
Solution:
Sand wash is a casting defect which Occurs near the ingates as rough lumps on the surface of a casting
93
Shift is a casting defect which
Discuss
Answer & Solution
Answer: Option A
Solution:
Shift refers to a defect caused by a sidewise displacement of the mold cope relative to the drag, the result of which is a step in the cast product at the parting line.
Shift is a casting defect which results in a mismatching of the top and bottom parts of a casting.
94
The draft or taper allowance on casting is generally
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Answer & Solution
Answer: Option A
Solution:
The draft or taper allowance on casting is generally 1 to 2 mm/m
95
Projection welding is a
Discuss
Answer & Solution
Answer: Option B
Solution:
Projection welding is a modification of spot welding.
In this process, the weld is localized by means of raised sections, or projections, on one or both of the workpieces to be joined.
96
In a ________, two or more operations are performed simultaneously at the single stroke of the ram.
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Answer & Solution
Answer: Option B
Solution:
In a Progressive die two or more operations are performed simultaneously at the single stroke of the ram.
97
In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
Discuss
Answer & Solution
Answer: Option C
Solution:
in a Combination die both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
98
The chisel used for cutting key ways is
Discuss
Answer & Solution
Answer: Option B
Solution:
cape chisel is a cold chisel that has a long taper on the top and bottom of the cutting end and a narrow edge and is used for cutting keyways and similar flat grooves.
99
The most preferred process for casting gas turbine blades is
Discuss
Answer & Solution
Answer: Option B
Solution:
Shell moulding is an expendable mold casting process that uses a resin covered sand to form the mold.
The most preferred process for casting gas turbine blades is shell moulding.
100
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
Discuss
Answer & Solution
Answer: Option D
Solution:
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by Using file card