WorksheetsMaterial Engineering
Total questions: 20
Worksheet time: 10mins
What is the carbon % avaiable in Eutectic Reaction?
0.8
4.3
6.67
0.2
Eutectoid Reaction occur at which temperature point?
723
910
1400
1539
In which invariant reaction, single solid transformed in to two different solids?
Eutectic
Eutectoid
Peritectic
Non of them
If pure iron --------above this temperature, solid phase is transformed in to Liquid phase.
723
910
1400
1539
------is having the following Soft and ductile property.
Ferrite
Cementite
Autenite
Liquid
-----is having brittle and hard property.
Ferrite
Cementite
Austenite
Liquid
Austenite is ---------Lattice structure
BCC
BCT
FCC
HCP
Which of the following is the hardest constituent of steel?
Ledeburite
Austenite
Bainite
Martensite
For steel, which one of the following properties can be enhanced upon annealing?
Hardness
Toughness
Ductility
Resilience
In Annealing, cooling is done in which of the following medium?
Air
Water
Oil
Furnace
In normalizing, cooling is done in which of the following medium?
Air
Water
Oil
Furnace
Mild steel can be converted into high carbons steel by which of the following heat treatment process?
Annealing
Normalizing
Case hardening
Nitriding
Upon annealing, eutectoid steel converts to which of the following?
Perlite
Cementite
Austenite
Martensite
To get the desired property of steel by heating and cooling process........
Normalising
Hardening
Heat treatment
Tempering
Name of the process having fine grains structure and mechanical properties ......
Annealing
Tempering
Normalising
Hardening
Steel having increase carbon is .......
Hardening increases
Strength increases
Strength decreases
Ductility improves
The steel which has 0.83 % of carbon, it increases the ............... of steel.
Hardness
Strength
Malleability
Ductility
What is the process of changing the
structure and properties of steel by heating
and cooling?
Heat treatement of
steel
Austenite
Martensite
Cementite
Which instrument is used for observing
visible exact grain size and structure of
broken metal?
Power glass
Microscope
Lens
Reading glass
What is the process of heat treatment to
remove the brittleness of hard metal?
Hardening
Annealing
Normalising
Tempering
