engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Construction Materials and Management Miscellaneous Material
As a rough guide, the quantity of blasting powder can be obtained by the rule - of - thumb. Select the correct option.
1
Blasting powder in N = (line of Least in m)2 × 1.50
2
Blasting powder in N = (line of Least Resistance in m)2 / 1.50
3
Blasting powder in N = (line of Least Resistance in m)2 / 1.75
4
Blasting powder in N = (line of Least Resistance in m)2 × 1.75