Air at dry bulb temperature of 27°C enters a 1200 m deep shaft. The specific heat of air-water vapour mixture is 1.03 KJ/kg °C. If the air goes through constant-moisture adiabatic auto compression, the air temperature at the bottom of the shaft in °C is
A. 11.4
B. 33.1
C. 35.4
D. 38.4
Answer: Option D
This Question Belongs to Mining Engineering >> Mine Ventilation
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