In Case of Consumable Patterns

Q9: Solidification time for riser should be<br>A)less than

Q10: All of the following operations on castings

Q11: The burnt on sand causes difficulty in<br>A)machining

Q12: The percentage of sulphur in pig iron

Q13: Pneumatic tools find application in foundries normally

Q15: Which of the following is very powerful

Q16: Sweep patterns are used to prepare mould

Q17: While selecting wood for patterns, one should<br>A)discard

Q18: Rammer used for moulding the sand in

Q19: Which parameter can be used for the