GATE ME · 2023 · ME
Question 42: Thermodynamics
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Question 42
MEMCQ2 marksNeeds review
Consider a fully adiabatic piston-cylinder arrangement as shown in the figure. The piston is massless and cross-sectional area of the cylinder is A. The fluid inside the cylinder is air (considered as a perfect gas), with
being the ratio of the specific heat at constant pressure to the specific heat at constant volume for air. The piston is initially located at a position
. The initial pressure of the air inside the cylinder is
, where
is the atmospheric pressure. The stop
is instantaneously removed and the piston moves to the position
, where the equilibrium pressure of air inside the cylinder is
.What is the work done by the piston on the atmosphere during this process?
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2023ME
GATE ME 2023 · Paper 1
Mechanical Engineering · Original paper archive
- Section
- Mechanical Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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