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n moles of a monoatomic gas undergoes a ...


`n` moles of a monoatomic gas undergoes a cyclic process ABCDA as shown. Process AB is isobaric, process BC is adiabatic process CD is isochoric and process DA is isothermal the maximum temperature and minimum temperature in cycle are `4T_(0)` and `T_(0)` respectively. Then:

A

`T_(B)gtT_(C)gtT_(D)`

B

heat is released by the gas in the process `CD`

C

heat is supplied by the gas to the surrounding in the process AB

D

heat is supplied to the gas by the surrounding in the process AB

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
`BC` is adiabatic
`TV^(r-1)=` constant
`VuarrTdarr`
CD is isochoric
`V=` constant
`PpropT`
`PdarrTdarr`
AB is isobaric
`P=` constant
`DeltaQ=DeltaU+DeltaW`
`DeltaU=+ve`
`DeltaW=+ve`
`DeltaQ=+ve`.
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