The angular clearance on dies varies from 0.5° to 1°
In drawing operation, the metal flows due to plasticity
In press operation, the size of the pierced hole is independent of the size of punch
None of the above
D. None of the above
1 to 2 mm/m
2 to 5 mm/m
5 to 10 mm/m
10 to 15 mm/m
10 mm/m
16 mm/m
20 mm/m
26 mm/m
Neutral
Oxidising
Carburising
None of these
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
30% sand and 70% clay
50% sand and 50% clay
70% sand and 30% clay
90% sand and 10% clay
From left to right
From right to left
First from left to right and then from right to left
Either from left to right or from right to left
The angular clearance on dies varies from 0.5° to 1°
In drawing operation, the metal flows due to plasticity
In press operation, the size of the pierced hole is independent of the size of punch
None of the above
Spot welding
Seam welding
Projection welding
Upset butt welding
Drawing
Rolling
Piercing
Forging
Symmetrical shape about vertical axis
Symmetrical shape about horizontal axis
Irregular shape
Nonferrous metal only
30°-40°
40°-50°
50°-60°
60°-70°
Only one operation is performed at each stroke of the ram
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
Hot piercing
Extrusion
Cold peening
Cold heading
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
1 to 5 volts
6 to 10 volts
11 to 20 volts
50 to 100 volts
Helium gas
Argon gas
Either (A) or (B)
None of these
±0.05 mm
+0.2 mm
+05 mm
+1 mm
Equal to
Smaller than
Larger than
None of these
Replacing broken gear teeth
Repairing broken shears
Joining rails, truck frames and locomotive frames etc.
All of the above
1 to 5 MPa
5 to 10 MPa
10 to 25 MPa
25 to 55 MPa
Core is made of sand
Core is made of ferrous metal
Core is made of nonferrous metal
No core is used
Same
Less
More
None of these
Refining grain size
Reducing original block into desired shape
Controlling the direction of flow lines
All of these
One side of the actual size
One side of the nominal size
Both sides of the actual size
Both sides of the nominal size
Hot forging
Hot spinning
Hot extrusion
Hot drawing
Aluminium
Wax
Lead
All of these
Low melting temperature
High melting temperature
Both (A) and (B)
None of these
Drawing down
Upsetting
Spinning
Peening
1800°C
2100°C
2400°C
3200°C
Slick
Lifter
Swab
Gagger