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Carrot cycle is plotted in P-V graph . W...

Carrot cycle is plotted in P-V graph . Which portion represents an isothermal expansion ?

A

AB

B

BC

C

CD

D

DA

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The correct Answer is:
A
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Two moles of a diatomic gas are carried trhough the cycle ABCDA as shown in figure. The segment AB represents an isothermal expansion, the segment BC an adiabatic expansion. The pressure and temperature at A are 5 atm and 600K respectively. The volume at B is twice that at A. The pressure at D is 1 atm. What is the pressure at B?

Two moles of a diatomic gas are carried trhough the cycle ABCDA as shown in figure. The segment AB represents an isothermal expansion, the segment BC an adiabatic expansion. The pressure and temperature at A are 5 atm and 600K respectively. The volume at B is twice that at A. The pressure at D is 1 atm. What is the temperature at C?

For isothermal expansion , which is true?

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Which of the following P-V curve best represents. As isothermal process?

For an ideal gas, an illustration of three different paths A,(B+C) and (D+E) from an initial state P_(1), V_(1), T_(1) to a final state P_(2), V_(2),T_(1) is shown in the given figure. Path A represents a reversible isothermal expansion form P_(1),V_(1) to P_(2),V_(2) , Path (B+C) represents a reversible adiabatic expansion (B) from P_(1),V_(1),T_(1)to P_(3),V_(2),T_(2) followed by reversible heating the gas at constant volume (C) from P_(3),V_(2),T_(2) to P_(2),V_(2),T_(1) . Path (D+E) represents a reversible expansion at constant pressure P_(1)(D) from P_(1),V_(1),T_(1) to P_(1),V_(2),T_(3) followed by a reversible cooling at constant volume V_(2)(E) from P_(1),V_(2),T_(3) to P_(2),V_(2),T_(1) . What is q_(rev) , for path A ?

For an ideal gas, an illustratio of three different paths A(B+C) and (D+E) from an initial state P_(1), V_(1), T_(1) to a final state P_(2), V_(2),T_(1) is shown in the given figure. Path A represents a reversible isothermal expansion form P_(1),V_(1) to P_(2),V_(2) , Path (B+C) represents a reversible adiabatic expansion (B) from P_(1),V_(1),T_(1)to P_(3),V_(2),T_(2) followed by reversible heating the gas at constant volume (C) from P_(3),V_(2),T_(2) to P_(2),V_(2),T_(1) . Path (D+E) represents a reversible expansion at constant pressure P_(1)(D) from P_(1),V_(1),T_(1) to P_(1),V_(2),T_(3) followed by a reversible cooling at constant volume V_(2)(E) from P_(1),V_(2),T_(3) to P_(2),V_(2),T_(1) . What is q_(rev) , for path (A) ?

AAKASH INSTITUTE ENGLISH-THERMODYNAMICS-ASSIGNMENT (SECTION -B) (Objective Type Questions)
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  8. If a gas is taken from A to C through B then heat absorbed by the gas ...

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  10. A. P . T graph is shown for a cyclic process . Select correct statemen...

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  11. A hydrogen cylinder is designed to withstand an internal pressure of 1...

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  12. An ideal gas of volume V and pressure P expands isothermally to volume...

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  13. The pressure P of an ideal diatomic gas varies with its absolute tempe...

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  14. An ideal gas expands according to the law P^(2) V = constant . The in...

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  15. The variation of pressure P with volume V for an ideal diatomic gas is...

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  16. Neon gas of a given mass expands isothermally to double volume . What ...

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  17. When 1 kg of ice at 0^(@)C melts to water at 0^(@)C, the resulting cha...

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  18. Carrot cycle is plotted in P-V graph . Which portion represents an iso...

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  19. Efficiency of a heat engine working between a given source and sink is...

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  20. A heat engine rejects 600 cal to the sink at 27^(@)C . Amount of work ...

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