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GATE MN concept:auxiliary-ventilation PYQs

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Question 49

Open question
MNNAT2 marksNeeds review
In an auxiliary ventilation system, a fan is installed inside a 100 m long and 600 mm diameter duct to ventilate a blind heading face. The frictional coefficient of the duct is 0.0066 Ns²m⁻⁴ and the static pressure characteristic of the fan is represented by:

where,

is in Pa and Q is in m³/s. The quantity of air delivered by the fan in m³/s is ________

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