Cast iron
Mild steel
High speed steel
Cast tool steel
D. Cast tool steel
Large electrode is used
Welding rod coated with slag is used
Welding rod coated with fluxing material is used
None of the above
A cylindrical hole in a sheet of metal by the punch and the die
A hole (other than cylindrical) in a sheet of metal by the punch and the die
A flat sheet to the desired shape
A number of holes evenly spaced in a regular pattern on a sheet of metal
Varying the input supply
Changing the primary turns of the transformer
Changing the secondary turns of the transformer
Any one of the above
All parts of the weld section are molten at the same time
Weld cools almost uniformly
Results in a minimum problem with internal residual stresses
All of the above
At the outer cone
At the inner cone
Between the outer and inner cone
At the torch tip
Drawing
Squeezing
Coining
Planishing
Bending
Stretching
Rolling and stretching
Bending and stretching
Age hardening
Work hardening
Induction hardening
Flame hardening
All pattern allowances
Only shrinkage allowance
All materials to be cast
All materials of the pattern
0.035 mm
0.025 mm
0.01 mm
0.06 mm
Solid form
Gaseous form
Liquid form
Any one of these
Zinc diffusion process
Process of coating zinc by hot dipping
Process used for making thin phosphate coating on steel
None of the above
Straight polarity
Reversed polarity
Both (A) and (B)
None of these
Riser
Sprue
Core
None of these
Forward stroke
Return stroke
Both forward and return strokes
None of these
Horizontal core
Vertical core
Drop core
Balanced core
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
Plunging
Notching
Slitting
Forming
Is a two man saw
Is used for cutting along the grains of wood
Has a narrow blade with two wooden handles
All of the above
+0.05 mm
±0.2 mm
+0.5 mm
±1 mm
Nominal size
Basic size
Actual size
Tolerance
400°C
600°C
800°C
None of these
Simple die
Progressive die
Compound die
Combination die
Symmetrical shape about vertical axis
Symmetrical shape about horizontal axis
Irregular shape
Nonferrous metal only
Washing it with water
Rubbing on wood
Washing it with dilute acid
Using file card
Red colour
Yellow colour
Black colour
Blue colour
Poor surface finish is produced
Scale is formed on the metal surface
Close tolerances cannot be maintained
All of these
Increasing the cross-section of a bar
Reducing the cross-section of a bar
Joining the two surfaces of metal under pressure after heating
Bending of a bar
Neutral
Oxidising
Carburising
All of these
Drawing
Extrusion
Rolling
Extrusion and rolling