GATE ME

Calculation of Work and Heat

Thermodynamics

(Past Years Questions)

Marks 1

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A mass $$m$$ of a perfect gas at pressure $${p_1}$$ and volume $${V_1}$$ undergoes an isothermal process. The final pres...
GATE ME 2017 Set 2
Which of the following statements are TRUE with respect to heat and work? $$(i)$$ They are boundary phenomena $$(ii)$$ ...
GATE ME 2016 Set 1
A cylinder contains $$5\,\,{m^3}$$ of an ideal gas at a pressure of $$1$$ bar. This gas is compressed in a reversible is...
GATE ME 2013
Heat and work are
GATE ME 2011
The contents of a well-insulated tank are heated by a resistor of $$23\Omega $$ in which $$10A$$ current is flowing. Con...
GATE ME 2011
A pump handling a liquid raises its pressure from $$1$$ bar to $$30$$ $$bar.$$ Take the density of the liquid as $$990$$...
GATE ME 2011
A compressor undergoes a reversible, steady flow process. The gas at inlet and outlet of the compressor is designated as...
GATE ME 2009
For reversible adiabatic compression in a steady flow process, the work transfer per unit mass is
GATE ME 1996

Marks 2

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An ideal gas undergoes a reversible process in which the pressure varies linearly with volume. The conditions at the sta...
GATE ME 2016 Set 1
A mixture of ideal gases has the following composition by mass: If the universal gas constant is $$8314$$ $$J/kmol$$-...
GATE ME 2015 Set 3
$$1.5$$ $$kg$$ of water is in saturated liquid state at $$2$$ bar $$\left( {{v_f} = 0.001061\,\,{m^3}/kg,\,\,{u_f} = 50...
GATE ME 2014 Set 1
A mono-atomatic ideal gas $$\left( {\gamma = 1.67,} \right.$$ molecular weight$$=40$$ $$\left. \, \right)$$ is compress...
GATE ME 2010
A frictionless piston-cylinder device contains a gas initially at $$0.8MPa$$ and $$0.015$$ $${m^3}.$$ It expands quasi-s...
GATE ME 2009
In a steady state steady flow process taking place in a device with a single inlet and a single outlet, the work done pe...
GATE ME 2008
A $$100$$ $$W$$ electric bulb was switched on in a $$2.5\,m \times 3m \times 3m$$ size thermally insulated room having ...
GATE ME 2006
Nitrogen at an initial state of $$10$$ bar, $$1{m^3}$$ and $$300$$ $$K$$ is expanded isothermally to a final volume of $...
GATE ME 2005
A vertical cylinder with a freely floating piston contains $$0.1$$ $$kg$$ air at $$1.2$$ bar and a small electrical res...
GATE ME 1993

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