railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Miscellaneous Material
Select the wrong pair for framed copper alloys in Pattern Alloys > Alloy Name > Properties / Applications?
1
Zinc > Brass > Not precipitated by industrial pollution but resistant to inland and marine environments
2
tin > bronze > is hard and has good ductility to abrasion and corrosion
3
Silicon > Silicon Brass > Used for door fittings, railings and hinges
4
Aluminum > Aluminum Brass > Used For Pipe Fittings And Fasteners