Page 71 - SP015 Past Years PSPM Chapter 6 -14 Ver 2020
P. 71
PSPM SP015
PSPM JUN 2000/2002 SF015/2 No. 8
7.
Pressure
P Q
T
R
S
Volume
FIGURE 14.1
On a p versus V graph as shown in FIGURE 14.1, name the thermodynamic process
from
(a) P to Q [1 m]
(b) Q to R [1 m]
(c) Q to T [1 m]
(d) Q to S [1 m]
PSPM 2003/2004 SF017/2 No. 14(b)
8. Sketch a graph of pressure p versus volume V of 1 mole of ideal gas. Label and show
clearly the four thermodynamic processes. [5 m]
Thermodynamics Work
PSPM 2003/2004 SF017/2 No. 14(a)(ii)
9. Write an expression representing the work done by an ideal gas at variable pressure.
[1 m]
PSPM 2013/2014 SF016/2 No. 8(c)
10. Derive the equation for the work done in an isothermal process. [3 m]
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