railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Paints and Varnishes
During the prime coating process, what is the range of quantity of primer that should be used for surfaces with high porosity?
1
1.2 - 1.5 kg per m2
2
0.3 - 0.6 kg per m2
3
1.6 - 1.9 kg per m2
4
0.6 - 0.9 kg per m2