# Heat and Thermodynamics · Physics · AP EAPCET

Start Practice## MCQ (Single Correct Answer)

AP EAPCET 2021 - 20th August Morning Shift

Boiling water is changing into steam. The specific heat of boiling water is

AP EAPCET 2021 - 20th August Morning Shift

If the volume of a block of metal changes by $$0.12 \%$$ when heated through $$20^{\circ} \mathrm{C}$$, then find its coefficient of linear expansion....

AP EAPCET 2021 - 20th August Morning Shift

Isothermal process is the graph between

AP EAPCET 2021 - 20th August Morning Shift

For a monoatomic ideal gas is following the
cyclic process ABCA shown in the U versus p
plot, identify the incorrect option.
...

AP EAPCET 2021 - 20th August Morning Shift

The pressure of a gas is proportional to

AP EAPCET 2021 - 19th August Evening Shift

Expansion during heating

AP EAPCET 2021 - 19th August Evening Shift

Match the following.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Aria...

AP EAPCET 2021 - 19th August Evening Shift

Which of the following is not a reversible
process?

AP EAPCET 2021 - 19th August Evening Shift

Which one of the graphs below best
illustrates the relationship between internal
energy U of an ideal gas and temperature T of
the gas in K?

AP EAPCET 2021 - 19th August Evening Shift

A refrigerator with coefficient of
performance 0.25 releases 250 J of heat to a
hot reservoir. The work done on the working
substance is

AP EAPCET 2021 - 19th August Evening Shift

A vessel has 6 g of oxygen at pressure p and
temperature 400 K. A small hole is made in
it, so that oxygen leaks out. How much
oxygen leaks out if the...

AP EAPCET 2021 - 19th August Morning Shift

In a steady state, the temperature at the end $$A$$ and end $$B$$ of a $$20 \mathrm{~cm}$$ long rod $$A B$$ are $$100 \Upsilon$$ and $$0^{\circ} \math...

AP EAPCET 2021 - 19th August Morning Shift

If two rods of length $$L$$ and $$2 L$$, having coefficients of linear expansion $$\alpha$$ and $$2 \alpha$$ respectively are connected end-to-end, th...

AP EAPCET 2021 - 19th August Morning Shift

A system is taken from state-A to state-B
along two different paths. The heat absorbed
and work done by the system along these
two paths are Q$$_1$$, ...

AP EAPCET 2021 - 19th August Morning Shift

A gas ($$\gamma$$ = 1.5 ) is suddenly compressed to
(1/4 )th its initial volume. Then, find the ratio
of its final to initial pressure.

AP EAPCET 2021 - 19th August Morning Shift

A cylinder has a piston at temperature of $$30 \Upsilon$$C. There is all round clearance of $$0.08 \mathrm{~mm}$$ between the piston and cylinder wall...

AP EAPCET 2021 - 19th August Morning Shift

A balloon contains 1500 m$$^3$$ of He at 27$$\Upsilon$$C and 4 atmospheric pressure, the volume of He at $$-3\Upsilon$$C temperature and 2 atmospheric...