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Mining Engineering · Q53

Mine Ventilation

Engineering and GATE · Mining Engineering · question 53

Q53

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

Answer: Option D

Solution

Answer: Option D
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