# Question 4. Air is flowing in a duct with a velocity of 6.62 m/s and static pressure of 4.16 cm of water gauge. The duct diameter is 1.42 m, the barometric pressure 109.4 kPa and the gauge Fluid temperature and air temperature are 30°C. What is the total pressure against which the fan will operate in cm of water?

UARKH6 The Asker · Mechanical Engineering

Transcribed Image Text: 4. Air is flowing in a duct with a velocity of 6.62 m/s and static pressure of 4.16 cm of water gauge. The duct diameter is 1.42 m, the barometric pressure 109.4 kPa and the gauge Fluid temperature and air temperature are 30°C. What is the total pressure against which the fan will operate in cm of water?
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Transcribed Image Text: 4. Air is flowing in a duct with a velocity of 6.62 m/s and static pressure of 4.16 cm of water gauge. The duct diameter is 1.42 m, the barometric pressure 109.4 kPa and the gauge Fluid temperature and air temperature are 30°C. What is the total pressure against which the fan will operate in cm of water?