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WorksheetsElements of Mechanical Engineering
Total questions: 15
Worksheet time: 8mins
The industries that take output from primary industries and convert them to consumer goods are
Tertiary industries
Primary industries
Secondary industries
___________________ is used to give basic property, shape and size
Secondary manufacturing
Primary manufacturing
Additive manufacturing
The place where casting work is done
Casting shop
Melting shop
Foundry shop
Forging is an operation where metal is heated and then an continuous compressive force is applied
True
False
Process of confining the metal in a closed cavity and then pushing it through a die opening is called as
Extrusion
Drawing
In permanent joints connected parts can be separated easily with out damaging the parts
True
False
Method of joining similar or dissimilar metals by means of a filler material whose melting temperature is above 450˚C
Soldering
Brazing
Welding
In arc welding process, when do you say that circuit is closed
When the electrode touches the workpiece
when you switch on the transformer
when you bring the electrode 3mm above the workpiece
Which one is not related to the definition of Additive manufacturing
Layer by Layer
From 3D CAD data
Production line
Product data
Additive manufacturing process is the requirement to convert a CAD model into _______ file
.prt
.iges
.slt
.stl
Inert gases such as nitrogen and argon are typically used during additive manufacturing process to control
Machine
Material flow
Build chamber environment
3-D model can be fabricated directly without the need for process planning
Yes
No
The filler material used in Brazing is called as
Spelter
Solder
Brazer
When do you say the flame is neutral in oxy-acetylene welding?
When there is excess oxygen supply
When there is excess acetylene supply
When the gases are supplied in equal proportions
In plastic welding, Metal parts are heated to the plastic state and then fused together by ______________
inserting filler material
applying external pressure
just keeping it side by side
