Mining Engineering > GATE 2024 > Blasting
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:
The total resistance of the circuit in Ω, is __________. (round off up to 2 decimals)

Correct : 20.40

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Related Topics

mining engineering gate 2024 circuit resistance calculation explosive drilling electric detonators series blasting cable resistance mining engineering circuit detonator lead wire resistance GATE mining engineering 2024 explosives engineering

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