Second Law of Thermodynamics and Carnot Engine
PHXI12:THERMODYNAMICS

371358 A Carnot engine takes 300 calories of heat from a source at \(500\;K\) and rejects 150 calories of heat to the sink. The temperature of the sink is

1 \(125\;K\)
2 \(250\;K\)
3 \(750\;K\)
4 \(1000\;K\)
PHXI12:THERMODYNAMICS

371359 A Carnot engine takes heat from a reservoir at \(627^\circ C\) and rejects heat to a sink at \(27^\circ C\). Its efficiency will be

1 \(3 / 5\)
2 \(1 / 3\)
3 \(2 / 3\)
4 \(200 / 209\)
PHXI12:THERMODYNAMICS

371360 If the energy input to a Carnot engine is thrice the work it performs then, the fraction of energy rejected to the sink is

1 \(\dfrac{1}{3}\)
2 \(\dfrac{1}{4}\)
3 \(\dfrac{2}{5}\)
4 \(\dfrac{2}{3}\)
PHXI12:THERMODYNAMICS

371361 A Carnot engine absorbs \(6 \times {10^5}cal\) at \(227^\circ C\) The work done per cycle by the engine, if its sink is maintained at \(127^\circ C\) is

1 \(15 \times {10^8}\;J\)
2 \(15 \times {10^4}\;J\)
3 \(5 \times {10^5}\;J\)
4 \(2 \times {10^4}\;J\)
PHXI12:THERMODYNAMICS

371362 Which of the following laws of thermodynamics leads to the inference that it is difficult to convert whole of heat into work

1 zeroth
2 second
3 first
4 third
PHXI12:THERMODYNAMICS

371358 A Carnot engine takes 300 calories of heat from a source at \(500\;K\) and rejects 150 calories of heat to the sink. The temperature of the sink is

1 \(125\;K\)
2 \(250\;K\)
3 \(750\;K\)
4 \(1000\;K\)
PHXI12:THERMODYNAMICS

371359 A Carnot engine takes heat from a reservoir at \(627^\circ C\) and rejects heat to a sink at \(27^\circ C\). Its efficiency will be

1 \(3 / 5\)
2 \(1 / 3\)
3 \(2 / 3\)
4 \(200 / 209\)
PHXI12:THERMODYNAMICS

371360 If the energy input to a Carnot engine is thrice the work it performs then, the fraction of energy rejected to the sink is

1 \(\dfrac{1}{3}\)
2 \(\dfrac{1}{4}\)
3 \(\dfrac{2}{5}\)
4 \(\dfrac{2}{3}\)
PHXI12:THERMODYNAMICS

371361 A Carnot engine absorbs \(6 \times {10^5}cal\) at \(227^\circ C\) The work done per cycle by the engine, if its sink is maintained at \(127^\circ C\) is

1 \(15 \times {10^8}\;J\)
2 \(15 \times {10^4}\;J\)
3 \(5 \times {10^5}\;J\)
4 \(2 \times {10^4}\;J\)
PHXI12:THERMODYNAMICS

371362 Which of the following laws of thermodynamics leads to the inference that it is difficult to convert whole of heat into work

1 zeroth
2 second
3 first
4 third
PHXI12:THERMODYNAMICS

371358 A Carnot engine takes 300 calories of heat from a source at \(500\;K\) and rejects 150 calories of heat to the sink. The temperature of the sink is

1 \(125\;K\)
2 \(250\;K\)
3 \(750\;K\)
4 \(1000\;K\)
PHXI12:THERMODYNAMICS

371359 A Carnot engine takes heat from a reservoir at \(627^\circ C\) and rejects heat to a sink at \(27^\circ C\). Its efficiency will be

1 \(3 / 5\)
2 \(1 / 3\)
3 \(2 / 3\)
4 \(200 / 209\)
PHXI12:THERMODYNAMICS

371360 If the energy input to a Carnot engine is thrice the work it performs then, the fraction of energy rejected to the sink is

1 \(\dfrac{1}{3}\)
2 \(\dfrac{1}{4}\)
3 \(\dfrac{2}{5}\)
4 \(\dfrac{2}{3}\)
PHXI12:THERMODYNAMICS

371361 A Carnot engine absorbs \(6 \times {10^5}cal\) at \(227^\circ C\) The work done per cycle by the engine, if its sink is maintained at \(127^\circ C\) is

1 \(15 \times {10^8}\;J\)
2 \(15 \times {10^4}\;J\)
3 \(5 \times {10^5}\;J\)
4 \(2 \times {10^4}\;J\)
PHXI12:THERMODYNAMICS

371362 Which of the following laws of thermodynamics leads to the inference that it is difficult to convert whole of heat into work

1 zeroth
2 second
3 first
4 third
PHXI12:THERMODYNAMICS

371358 A Carnot engine takes 300 calories of heat from a source at \(500\;K\) and rejects 150 calories of heat to the sink. The temperature of the sink is

1 \(125\;K\)
2 \(250\;K\)
3 \(750\;K\)
4 \(1000\;K\)
PHXI12:THERMODYNAMICS

371359 A Carnot engine takes heat from a reservoir at \(627^\circ C\) and rejects heat to a sink at \(27^\circ C\). Its efficiency will be

1 \(3 / 5\)
2 \(1 / 3\)
3 \(2 / 3\)
4 \(200 / 209\)
PHXI12:THERMODYNAMICS

371360 If the energy input to a Carnot engine is thrice the work it performs then, the fraction of energy rejected to the sink is

1 \(\dfrac{1}{3}\)
2 \(\dfrac{1}{4}\)
3 \(\dfrac{2}{5}\)
4 \(\dfrac{2}{3}\)
PHXI12:THERMODYNAMICS

371361 A Carnot engine absorbs \(6 \times {10^5}cal\) at \(227^\circ C\) The work done per cycle by the engine, if its sink is maintained at \(127^\circ C\) is

1 \(15 \times {10^8}\;J\)
2 \(15 \times {10^4}\;J\)
3 \(5 \times {10^5}\;J\)
4 \(2 \times {10^4}\;J\)
PHXI12:THERMODYNAMICS

371362 Which of the following laws of thermodynamics leads to the inference that it is difficult to convert whole of heat into work

1 zeroth
2 second
3 first
4 third
PHXI12:THERMODYNAMICS

371358 A Carnot engine takes 300 calories of heat from a source at \(500\;K\) and rejects 150 calories of heat to the sink. The temperature of the sink is

1 \(125\;K\)
2 \(250\;K\)
3 \(750\;K\)
4 \(1000\;K\)
PHXI12:THERMODYNAMICS

371359 A Carnot engine takes heat from a reservoir at \(627^\circ C\) and rejects heat to a sink at \(27^\circ C\). Its efficiency will be

1 \(3 / 5\)
2 \(1 / 3\)
3 \(2 / 3\)
4 \(200 / 209\)
PHXI12:THERMODYNAMICS

371360 If the energy input to a Carnot engine is thrice the work it performs then, the fraction of energy rejected to the sink is

1 \(\dfrac{1}{3}\)
2 \(\dfrac{1}{4}\)
3 \(\dfrac{2}{5}\)
4 \(\dfrac{2}{3}\)
PHXI12:THERMODYNAMICS

371361 A Carnot engine absorbs \(6 \times {10^5}cal\) at \(227^\circ C\) The work done per cycle by the engine, if its sink is maintained at \(127^\circ C\) is

1 \(15 \times {10^8}\;J\)
2 \(15 \times {10^4}\;J\)
3 \(5 \times {10^5}\;J\)
4 \(2 \times {10^4}\;J\)
PHXI12:THERMODYNAMICS

371362 Which of the following laws of thermodynamics leads to the inference that it is difficult to convert whole of heat into work

1 zeroth
2 second
3 first
4 third