Boundary work
4 practice questionsEngineering ThermodynamicsStep-by-step solutions
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1
The boundary (PdV) work done by a gas expanding at constant pressure P from V₁ to V₂ is:
A.P(V₂ − V₁)
B.V(P₂ − P₁)
C.Zero
D.P/(V₂ − V₁)
2
For a gas expanding at constant pressure from V₁ to V₂, the boundary work is:
A.P(V₂ − V₁)
B.V(P₂ − P₁)
C.Zero
D.P/V
3
During a constant-volume (isochoric) process, the boundary (PdV) work done is:
A.Maximum
B.Zero
C.Equal to the heat added
D.Negative
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