t
1.5 t
3 t
6 t
A. t
Forward stroke
Return stroke
Both forward and return strokes
Cutting depends upon the direction of force
The hot chamber die casting machine is used for casting zinc, tin, lead and other low melting alloys.
The cold chamber die casting machine is used for casting aluminium, magnesium, copper base alloys and other high melting alloys.
The castings produced by centrifugal casting method have open and coarse grained structure.
All of the above
Wooden nails
Box nails
Wire nails
None of these
It is not possible to reduce at one stage
Annealing is needed between stages
Accuracy in dimensions is not possible otherwise
Surface finish improves after every drawing stage
Continuous spot welding process
Multi-spot welding process
Arc welding process
Process used for joining round bars
Simple die
Progressive die
Combination die
Compound die
Hot rolling
Hot drawing
Hot piercing
Hot extrusion
Bending
Stretching
Rolling and stretching
Bending and stretching
TIG welding
MIG welding
Manual arc welding
Submerged arc welding
Zinc chloride
Ammonium chloride
Rosin plus alcohol
Borax
Red colour
Yellow colour
Black colour
Blue colour
Mild steel
Brass
Copper
Aluminium
Ferrous materials
Ductile materials
Hard materials
None of these
Forehand
Backhand
Vertical
None of these
Hot piercing
Extrusion
Cold peening
Cold heading
1000°C
1250°C
2100°C
3200°C
Die casting method
Slush casting method
Permanent mould casting method
Centrifugal casting method
Die casting method
Slush casting method
Permanent mould casting method
Centrifugal casting method
3000°C to 4000°C
4000°C to 5000°C
5000°C to 6000°C
6000°C to 7000°C
Sand slinger
Squeezing machine
Jolt machine
Stripper plate machine
Die casting
Shell moulding
Investment moulding
Sand casting
At the recrystallisation temperature
Below the recrystallisation temperature
Above the recrystallisation temperature
At any temperature
Straight polarity
Reversed polarity
Both (A) and (B)
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
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
Compressive stress in the flange
Tensile stress in the wall
Both (A) and (B)
None of these
Drawing
Squeezing
Coining
Planishing
t
1.5 t
3 t
6 t
1 to 5 MPa
5 to 10 MPa
10 to 25 MPa
25 to 55 MPa
Clay type binder
Organic type binder
Inorganic type binder
Any one of these