A fan ventilating a heading through a duct of 750mm diameter circulates 5m3s-1 of air at the face. Calculate the heat added to the air by the fan, if the input power of the fan is equal to 3kW.

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This question belongs to Mining Engineering Mine Environment

Mine Environment

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A fan ventilating a heading through a duct of 750mm diameter circulates 5m³s^-1 of air at the face. Calculate the heat added to the air by the fan, if the input power of the fan is equal to 3kW.

A) 1667 J B) 2617 J C) 2917 J D) 3317 J

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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Anvesh Polu 3 years ago

Solution please

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A fan ventilating a heading through a duct of 750mm diameter...

A fan ventilating a heading through a duct of 750mm diameter circulates 5m3s-1 of air at the face. Calculate the heat added to the air by the fan, if the input power of the fan is equal to 3kW.

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A fan ventilating a heading through a duct of 750mm diameter circulates 5m³s^-1 of air at the face. Calculate the heat added to the air by the fan, if the input power of the fan is equal to 3kW.