railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Miscellaneous Material
Select incorrect statement about lime:
1
Magnesium/Dolomitic lime contains about 85 per cent calcium and magnesium oxides.
2
Fat lime is used for finishing coat in plastering, white washing and with puzzolana in mortars.
3
For hydraulic lime, initial setting time is 10 hours and final setting time 24 hours.
4
Quick lime is obtained by burning limestone.