1)Negative shrinkage allowances is provided with ……….. Casting
- Gray cast iron
- Aliminium
- Steel
- brass
2)Which material is used for the pattern making?
- wood
- mercury
- metals
- All of the above
3)Density of an iron will …………. With incresing temperature
- change
- not change
- cant say any thing
- All of the above
4)Shake allowances is not provided with……
- wax pattern
- Mercury pattern
- polystyrene
- all of the above
5)with casting of ……. Size of pattern used is largeer then others
- Steel
- brass
- copper
- aluminium
6)with casting of ……. Size of riser used is larger then others
- steel
- brass
- copper
- aluminium
7)Distortion allowances is also known as……….
- Bending allowances
- Shrinkage allowances
- none of above
- All of the above
