Refining grain size
Reducing original block into desired shape
Controlling the direction of flow lines
All of these
D. All of these
Spot welding
Seam welding
Projection welding
Upset butt welding
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
Refining grain size
Reducing original block into desired shape
Controlling the direction of flow lines
All of these
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
Black colour
White colour
Maroon colour
Yellow colour
Cast iron
Mild steel
High speed steel
Cast tool steel
Flat chisel
Cape chisel
Round nose chisel
Diamond pointed chisel
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
Rough file
Bastard file
Second cut file
Smooth file
Actual deviation
Upper deviation
Lower deviation
Fundamental deviation
Age hardening
Work hardening
Induction hardening
Flame hardening
5 cm × 5 cm
10 cm × 10 cm
15 cm × 15 cm
20 cm × 20 cm
Type of casting metal
Size and shape of casting
Method of casting used
All of these
Aluminium
Wax
Lead
All 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
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
Compressive stress in the flange
Tensile stress in the wall
Both (A) and (B)
None of these
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
1 to 5 MPa
5 to 10 MPa
10 to 25 MPa
25 to 55 MPa
Large electrode is used
Welding rod coated with slag is used
Welding rod coated with fluxing material is used
None of the above
Equal to
Smaller than
Larger than
None of these
Feeler gauge
Slip gauge
Ring gauge
Plug gauge
Porosity of the metal is largely eliminated
Grain structure of the metal is refined
Mechanical properties are improved due to refinement of grains
All of the above
Lower critical temperature
Upper critical temperature
Eutectic temperature
Recrystallisation temperature
Stainless steel
Aluminium
Copper
Brass
Galvanising
Anodising
Parkerising
Sherardizing
Continuous spot welding process
Multi-spot welding process
Arc welding process
Process used for joining round bars
Riser
Sprue
Core
None of these
Steel, cast iron, copper, aluminium etc
Brass and bronze
Hard surfacing materials such as stellite
All of these
Shrinkage allowance
Machining allowance
Draft allowance
Distortion allowance