Question

In thermodynamic processes which of the following
statements is not true?
(a) In an isochoric process pressure remains constant
(b) In an isothermal process the temperature remains
constant
(c) In an adiabatic process PVγ = constant
(d) In an adiabatic process the system is insulated from
the surroundings

Answer 1

Answer:

d is your answer

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Answer 2

Answer:

1. In an adiabatic process PV

γ

= constant.

2. In an adiabatic process, the system is insulated from the surroundings. An adiabatic process is one that occurs without the transfer of heat or mass of substances between a thermodynamic system and its surroundings. So in the adiabatic process insulation from surroundings is required.

3. In an isochoric process, volume remains constant

4. In an isothermal process, the temperature remains constant.