Punch
Die
Half on the punch and half on the die
Either on punch or die depending upon designer's choice
B. Die
Two or more operations are performed simultaneously at the single stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram
Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
None of the above
Hot piercing
Extrusion
Cold peening
Cold heading
Age hardening
Work hardening
Induction hardening
Flame hardening
Equal volumes of oxygen and acetylene
More volume of oxygen and less volume of acetylene
More volume of acetylene and less volume of oxygen
None of the above
Is extensively used for making bolts and nuts
Is used for reducing the diameter of round bars and tubes by rotating dies which open and close rapidly on the work
Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part
Nominal size
Basic size
Actual size
Tolerance
Cast iron
Mild steel
High speed steel
Cast tool steel
Do not require bevelling
Should be bevelled to a single-V or U-groove
Should have a double-V or U-groove on one side
Should have a double-V or U-groove on both sides
One side of the actual size
One side of the nominal size
Both sides of the actual size
Both sides of the nominal size
d
1.5d
3d
6d
Is extensively used for making bolts and rivets
Is used for reducing the diameters of round bars and a tube by rotating dies which open and close rapidly on the work
Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part
Forward stroke
Return stroke
Both forward and return strokes
Cutting depends upon the direction of force
Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould
Ram the sand harder at the back of the mould and softer on the pattern face
Produce uniform sand hardness throughout the mould
Produce uniform packing of sand in the mould
Form internal cavities in the casting
Improve mould surface
Form a part of a green sand mould
All of these
At the outer cone
At the inner cone
Between the outer and inner cone
At the torch tip
Steel
Cast iron
Copper
All of these
Drawing
Squeezing
Coining
Planishing
Forward stroke
Return stroke
Both forward and return strokes
None of these
Mild steel
Brass
Copper
Aluminium
Slick
Lifter
Swab
Gagger
Green sand
Dry sand
Loam sand
Oil sand
Red colour
Yellow colour
Black colour
Blue colour
+0.05 mm
±0.2 mm
+0.5 mm
±1 mm
Galvanising
Anodising
Parkerising
Sherardizing
Small
Large
Very large
Not provided
The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction
The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction
The bottom and middle roll rotate in the same direction
Any one of the above
Ring
Plug
Feeler
None of these
Cutting a sheet of metal in a straight line along the length
Removal of metal to the desired shape from the edge of a plate
Cutting a sheet of metal through part of its length and then bending the cut portion
Bending a sheet of metal along a curved axis
Hardened
Tempered
Hardened and tempered
Case hardened
Same
Less
More
None of these