±0.05 mm
+0.2 mm
+05 mm
+1 mm
A. ±0.05 mm
Chills and chaplets
Chills and padding
Chaplets and padding
Chills, chaplets and padding
Forward stroke
Return stroke
Both forward and return strokes
None of these
Green sand
Dry sand
Loam sand
Oil sand
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
Washing it with water
Rubbing on wood
Washing it with dilute acid
Using file card
Red colour
Yellow colour
Black colour
Blue colour
Shearing
Piercing
Punching
Blanking
Lower critical temperature
Upper critical temperature
Eutectic temperature
Recrystallisation temperature
30% sand and 70% clay
50% sand and 50% clay
70% sand and 30% clay
90% sand and 10% clay
Green sand
Dry sand
Loam sand
Parting sand
Uniform solid sections
Uniform hollow sections
Uniform solid and hollow sections
Varying solid and hollow sections
Results in a mismatching of the top and bottom parts of a casting
Results in general enlargement of a casting
Occurs near the ingates as rough lumps on the surface of a casting
Occurs as sand patches on the upper surface of a casting
Permanent mould casting
Slush casting
Die casting
Centrifugal casting
Zinc diffusion process
Process of coating zinc by hot dipping
Process used for making thin phosphate coating on steel
None of the above
Shrinkage allowance
Machining allowance
Draft allowance
Distortion allowance
Voltage
Flow of current
Contact resistance
All of these
Melting pot is separate from the machine
Melting pot is an integral part of the machine
Melting pot may have any location
High temperature and pressure is used
1 to 2 mm/m
2 to 5 mm/m
5 to 10 mm/m
10 to 15 mm/m
Hot piercing
Extrusion
Cold peening
Cold heading
Age hardening
Work hardening
Induction hardening
Flame hardening
Light in weight
Easy to work
Corrosion resistant
All of these
Core is made of sand
Core is made of ferrous metal
Core is made of nonferrous metal
No core is used
Symmetrical shape about vertical axis
Symmetrical shape about horizontal axis
Irregular shape
Nonferrous metal only
Bending
Stretching
Rolling and stretching
Bending and stretching
Slush casting
Investment casting
True centrifugal casting
Die casting
+0.05 mm
±0.2 mm
+0.5 mm
±1 mm
Steel, cast iron, copper, aluminium etc
Brass and bronze
Hard surfacing materials such as stellite
All of these
0.025 to 3 mm
3 to 5 mm
5 to 8 mm
8 to 10 mm
Strengthened
Sharpened
Set
All of these
Zinc chloride
Ammonium chloride
Rosin plus alcohol
Borax