Mining Engineering > GATE 2018 > Mine Ventilation
Considering 'I' as 'intake' and 'R' as 'return', the ventilation symbol for the shaft-bottom air-lock in a coal mine is
A
B
C
D

Correct : a

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Related Topics

mining engineering gate 2018 ventilation symbol shaft bottom air lock GATE Mining Engineering 2018 coal mine ventilation GATE mining engineering shaft bottom air lock mining engineering symbols GATE 2018 question 22

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