1. +0.05 mm
2. +0.2 mm
3. +0.5 mm
4. +1 mm
+0.05 mm
1. Accurate castings
2. Dynamically balanced castings
3. Statically castings
4. Chilled casings
Dynamically balanced castings
1. Permeability
2. Surface finish
3. Mouldability
4. Green strength
Surface finish
1. Mouldability
2. Dry strength
3. Hot strength
4. Collapsibility
Collapsibility
1. Mould dressings
2. Pattern finish
3. Fineness of sand
4. All of the above
All of the above
1. Steel
2. Cast iron
3. Nickel
4. Copper
Copper
1. Shrinkage allowance
2. Identification number marked on it
3. Taper to facilitate its removal from mould
4. For machining allowance
Taper to facilitate its removal from mould
1. a few details
2. many details
3. no details
4. non-symmetrical shape
non-symmetrical shape
1. pattern is made smooth
2. water is applied on pattern surface
3. allowances are made on pattern
4. draft is provided on pattern
draft is provided on pattern
1. a sort of split patterns
2. used when the pattern cannot be drawn from the mould
3. similar to core prints
4. never used in foundry work
used when the pattern cannot be drawn from the mould