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For the following questions answer them individually
What is the product of cupola called?
Wrought iron
Cast iron
Mild steel
Pig iron
Gold is ______ material
ferroelectric
ferromagnetic
diamagnetic
paramagnetic
______ steel is widely used for rails of a railway track.
Mild
High carbon
Silicon
Nickel
The important factor to be considered while selecting a bearing is
applied load
operating speed range
required bearing capacity
All option are correct
Which one of the following methods is generally not used in welding of chromium molybdenum steels?
Oxyacetylene
Submerged arc
Thermite
Resistance
Which bond is commonly used in grinding wheel
vitrified bond
silicate bond
shellac bond
resinoid bond
Boring can be performed by
boring machines only
boring machines and lathe
a machine only by single point high speed carbide tools
boring machine, lathe and milling machine
The amount of stock which can be removed by honing is
0.75 mm
0.05 mm
0.02 mm
0.015 mm
Which of the following is not a gear finishing process?
Gear hobbing
Gear shaving
Gear lapping
Gear grinding
What is ‘burr’?
Built up edge on a cutting tool
A cutting tool
Burnt sand
Sharp edge remaining on metal after cutting, stamping and machining
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