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Workshop Technology MCQ Questions & Answers | Mechanical Engineering

Learn Workshop Technology MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Workshop Technology MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-7 section-2

Each section contains 100 MCQs on Workshop Technology .
61
The type of file used for a wood work is
Discuss
Answer & Solution
Answer: Option C
Solution:
A rasp is coarse form of file used for coarsely shaping wood or other material. Typically a hand tool, it consists of a generally tapered rectangular, round, or half-round sectioned bar of case hardened steel with distinct, individually cut teeth.
62
The increase in hardness due to cold working, is called
Discuss
Answer & Solution
Answer: Option B
Solution:
Work hardening also called cold working is one of the process of increasing the strength of the material.
Work hardening is a very useful strengthening mechanism that occurs particularly in metallic materials through plastic deformation.
63
A mortise gauge is a
Discuss
Answer & Solution
Answer: Option D
Solution:
A mortise gauge is a Marking tool
A mortise gauge is a woodworking tool used by a carpenter or joiner to scribe mortise and tenon joints on wood prior to cutting. Mortise gauges are commonly made of hardwood with brass fittings.
64
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be
Discuss
Answer & Solution
Answer: Option D
Solution:
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be 26 mm/m
65
In electric resistance welding, pressure applied varies from
Discuss
Answer & Solution
Answer: Option D
Solution:
In electric resistance welding, pressure applied varies from 25 to 55 MPa
66
A zinc diffusion process is called
Discuss
Answer & Solution
Answer: Option D
Solution:
Sherardizing is the formation of a corrosion-resistant, zinc-iron alloy coating, on the surface of steel or iron.
The method involves the heating of the object in an airtight container that has zinc powder.
A thermal diffusion process occurs and the zinc diffuses into the object’s metal surface, forming the zinc-iron alloy.
67
The property of sand due to which it evolves a great amount of steam and other gases is called
Discuss
Answer & Solution
Answer: Option B
Solution:
The property of sand due to which it evolves a great amount of steam and other gases is called Permeability
68
The sand used for making cores is
Discuss
Answer & Solution
Answer: Option D
Solution:
It is used for making cores and sometimes called oil sand.
This is silica sand mixed with core oil composed of linseed oil, resin, light mineral oil and other binding materials.
69
Piercing is an operation of cutting
Discuss
Answer & Solution
Answer: Option B
Solution:
Piercing is an operation of cutting A hole (other than cylindrical) in a sheet of metal by the punch and the die
70
For gas welding, the pressure desired at the welding torch for oxygen is
Discuss
Answer & Solution
Answer: Option B
Solution:
For gas welding, the pressure desired at the welding torch for oxygen is 70 to 280 kN/m2.