Question 23

MENAT1 markNeeds review
A rigid insulated tank is initially evacuated. It is connected through a valve to a supply line that carries air at a constant pressure and temperature of 250 kPa and 400 K respectively. Now the valve is opened and air is allowed to flow into the tank until the pressure inside the tank reaches 250 kPa at which point the valve is closed. Assume that the air behaves as a perfect gas with constant properties (

kJ/kg.K,

kJ/kg.K,

kJ/kg.K). Final temperature of the air inside the tank is ______ K (round off to one decimal place).

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2021ME

GATE ME 2021 · Paper 1

Mechanical Engineering · Original paper archive

Section
Mechanical Engineering
Question type
Numerical answer (NAT)
Marks
1 mark

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