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Q. No.An ideal gas goes through a reversible cycle \({a}\rightarrow{b}\rightarrow{c}\rightarrow{d}\) has the \({V \text- T}\) diagram as shown below. Process \({d}\rightarrow{a}\) and \({b}\rightarrow{c}\) are adiabatic.
The corresponding \({P \text- V}\) diagram for the process is (all figures are schematic and not drawn to scale):
The corresponding \({P \text- V}\) diagram for the process is (all figures are schematic and not drawn to scale):
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Subtopic: Â Cyclic Process |
Level 3: 35%-60%
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A sample of an ideal gas is taken through the cyclic process \(ABCA\) as shown in the figure. It absorbs, \(40~\text{J}\) of heat during part \(AB\), no heat during \(BC\), and rejects \(60~\text{J}\) of heat during \(CA\). A work of \(50~\text{J}\) is done on the gas during part \(BC\). The internal energy of the gas at \(A\) is \(1560~\text{J}\). The work done by the gas during the part \(CA\) is:
1. \(20~\text{J}\)
2. \(30~\text{J}\)
3. \(-30~\text{J}\)
4. \(-60~\text{J}\)
1. \(20~\text{J}\)
2. \(30~\text{J}\)
3. \(-30~\text{J}\)
4. \(-60~\text{J}\)
Subtopic: Â Cyclic Process |
 63%
Level 2: 60%+
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Given a cyclic process shown in an indicator diagram using SI units. The work done by the gas during the process is:
| 1. | \(300\) units | 2. | \(-300\) units |
| 3. | \(600\) units | 4. | \(-600\) units |
Subtopic: Â Cyclic Process |
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Level 2: 60%+
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A thermodynamic cycle \(x y z x\) is shown on a \(V\text-T\) diagram. The \(P\text-V\) diagram that best describes this cycle is:
(diagrams are schematic and not to scale)
(diagrams are schematic and not to scale)
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Subtopic: Â Cyclic Process |
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The figure shows a thermodynamic cyclic process on a \((p \text-V)\) diagram, in which the process from state \(1\) to state \(2\) is adiabatic. Which of the following \((V\text-T)\) diagrams correctly represents an equivalent cyclic process? (Note: The graphs are schematic and not drawn to scale.)
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Subtopic: Â Cyclic Process |
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Level 3: 35%-60%
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Which one is the correct option for the two different thermodynamic processes?
1. (c) and (a)
2. (b) and (c)
3. (c) and (d)
4. (a) only
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1. (c) and (a)
2. (b) and (c)
3. (c) and (d)
4. (a) only
Subtopic: Â Cyclic Process |
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In an Isothermal change, the change in pressure and volume of a gas can be represented for three different temperatures \(T3>T2>T1\) as :
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Subtopic: Â Cyclic Process |
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The magnitude of heat exchanged by a system for the given cyclic process \(ABCA\) (as shown in figure) is (in SI unit) :
1. \(5 \pi\)
2. zero
3. \(10 \pi\)
4. \(40 \pi\)
1. \(5 \pi\)
2. zero
3. \(10 \pi\)
4. \(40 \pi\)
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