List of top Mining Methods and Machinery Questions on Underground Coal Mining asked in GATE MN

In an underground coal mine, two fatalities and three serious bodily injuries occurred during the year 2022. The average daily employment is 1100 and annual working days is 300. The severity index as per DGMS guideline for the mine is

In a development coal face, 12 holes are drilled and charged with explosive. Holes are initiated with electric delay detonators connected in series. The length of a detonator lead wire is 1.5 m. The length of the blasting cable is 120 m.
Data are as given: 
Resistance of each detonator : 1.48 Ω
Resistance of lead wire : 0.04 Ω/m
Resistance of one wire of the blasting cable : 0.009 Ω/m 
The total resistance of the circuit in , is____.(round off up to 2 decimals)