A

50mm

sanure hole is to be produced To a Calting of length

20mm

. The dersity of core used is

4.5(g)/(c)m^(3)

and Densiry of moltel metal usel doring casting process is

8(g)/(C)c

if the suratce Area of the core print used is

0.05m^(2)

, The cross section Aetian Area of the Chapetusedis\ Doloume of cire

=50\\\\times 50\\\\times 20

A 50mm square hole is to be produceltor a Casting of lengin 30mm The density of coreused is 4.5g/cm3 and. Densiry of motrel metal usel doring casting process is 8g/Cc if thy suratce Area of the core print used is 0.05m2, The cross section Aesian Area of the Chapet uselis Voloume of cere =505020