GATE ME 2017 Set 2 | Calculation of Work and Heat Question 1 | Thermodynamics

GATE ME 2017 Set 2

MCQ (Single Correct Answer)

-0.3

A mass $$m$$ of a perfect gas at pressure $${p_1}$$ and volume $${V_1}$$ undergoes an isothermal process. The final pressure is $${p_2}$$ and volume is $${V_2}.$$ The work done on the system is considered positive. If $$R$$ is the gas constant and $$T$$ is the temperature, then the work done in the process is

$${p_1}{V_1}\ell n{{{V_2}} \over {{V_1}}}$$

$$ - {p_1}{V_1}\ell n{{{p_1}} \over {{p_2}}}$$

$$RT\ell n{{{V_2}} \over {{V_1}}}$$

$$ - mRT\ell n{{{p_2}} \over {{p_1}}}$$

GATE ME 2016 Set 1

MCQ (Single Correct Answer)

-0.3

Which of the following statements are TRUE with respect to heat and work?
$$(i)$$ They are boundary phenomena
$$(ii)$$ They are exact differentials
$$(iii)$$ They are path functions

Both $$(i)$$ and $$(ii)$$

Both $$(i)$$ and $$(iii)$$

Both $$(ii)$$ and $$(iii)$$

Only $$(iii)$$

GATE ME 2013

MCQ (Single Correct Answer)

-0.3

A cylinder contains $$5\,\,{m^3}$$ of an ideal gas at a pressure of $$1$$ bar. This gas is compressed in a reversible isothermal process till its pressure increases to $$5$$ bar. The work in $$kJ$$ required for this process is

$$804.7$$

$$953.2$$

$$981.7$$

$$1012.2$$

GATE ME 2011

MCQ (Single Correct Answer)

-0.3

Heat and work are

intensive properties

extensive properties

point functions

path functions