At the outer cone
At the inner cone
Between the outer and inner cone
At the torch tip
B. At the inner cone
Black colour
White colour
Maroon colour
Yellow colour
Melting pot is separate from the machine
Melting pot is an integral part of the machine
Melting pot may have any location
Low temperature and pressure is used
Die casting method
Slush casting method
Permanent mould casting method
Centrifugal casting method
Hold the round bars during marking
Check the trueness of flat surfaces
Locate the centres of round bars
Check the surface roughness
1 to 5 volts
6 to 10 volts
11 to 20 volts
50 to 100 volts
Punch
Die
Half on the punch and half on the die
Either on punch or die depending upon designer's choice
Smoothing and cleaning out depressions in the mould
Cleaning the moulding sand
Moistening the sand around the edge before removing pattern
Reinforcement of sand in the top part of the moulding box
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
Drawing
Rolling
Piercing
Forging
Same
Less
More
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
Red colour
Yellow colour
Black colour
Blue colour
Red colour
Yellow colour
Black colour
Blue colour
Check the trueness of flat surfaces
Locate centres of round rods
Check the surface roughness
None of these
TIG welding
MIG welding
Manual arc welding
Submerged arc welding
Cast iron
Mild steel
High speed steel
Cast tool steel
Hot piercing
Extrusion
Cold peening
Cold heading
Black colour
White colour
Maroon colour
Yellow colour
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
Drawing down
Upsetting
Spinning
Peening
Actual deviation
Upper deviation
Lower deviation
Fundamental deviation
Die casting method
Slush casting method
Permanent mould casting method
Centrifugal casting method
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
Neutral
Oxidising
Carburising
All of these
Simple die
Progressive die
Combination die
Compound die
Actual deviation
Upper deviation
Lower deviation
Fundamental deviation
Drawing
Extrusion
Rolling
Extrusion and rolling
One is working roll and three are backing up rolls
Two are working rolls and two are backing up rolls
Three are working rolls and one is backing up roll
All of the four are working rolls
Die casting
Shell moulding
Investment moulding
Sand casting
Machining allowance
Draft allowance
Shrinkage allowance
Distortion allowance