railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Bricks and Mortar
Which of the following is an ODD one regarding" requirements of good brick-earth"?
1
It must be free from lumps of lime
2
It should not be mixed with salty water
3
It must be non-homogeneous
4
It should not contain vegetable and organic matter