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10. In pressure-volume diagram given below, the isochoric, isothermal, and isobaric parts respectively, are

(a)   BA, AD, DC

(b)  DC, CB, BA

(c)   AB, BC, CD

(d)  CD, DA, AB

Explanation-(d)   Process CD is isochoric as volume is constant, Process DA is isothermal as temperature constant and Process AB is isobaric as pressure is constant.

(253)

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