Thermodynamics Test

Result

Thermodynamics Test - 62

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Weekly Quiz Competition

Question 1
4 / -1

In the figure given two processes A and B are shown by which a thermo-dynamical system goes from initial to final state F. If AQA and L’\\QB are respectively the heats supplied to the systems then

A

B

C

D

Solution
Question 2
4 / -1

In the cyclic process shown in the figure, the work done by the gas in one cycle is

A
28 P₁V₁

B
14 P₁V₁

C
18 P₁V₁

D
9 P₁V₁

Solution
Question 3
4 / -1

An ideal gas is taken via path ABCA as shown in figure. The net work done in the whole cycle is

A
6 P₁V₁

B
Zero

C
3 P₁V₁

D
–3 P₁V₁

Solution
Question 4
4 / -1

Heat energy absorbed by a system in going through a cyclic process shown in figure is

A

B

C

D

Solution
Question 5
4 / -1

A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown in the P-V diagram. The net work done during the complete cycle is given by the area

A
P₁ACBP ₂P ₁

B
ACBB’A’A

C
ACBDA

D
ADBB’A’A
Question 6
4 / -1

In the diagrams (i) to (iv) of variation of volume with changing pressure is shown. A gas is taken along the path MCD. The change in internal energy of the gas will be

A
Positive in all cases (i) to (iv)

B
Positive in cases (i), (ii) and (iii) but zero in (iv) case

C
Negative in cases (i), (ii) and (iii) but zero in (iv) case

D
Zero in all four cases

Solution
Question 7
4 / -1

A system is taken through a cyclic process represented by a circle as shown. The heat absorbed by the system is

A

B

C

D

Solution
Question 8
4 / -1

A thermodynamic system undergoes cyclic process ABCDA as shown in figure. The work done by the system is

A

B

C

D
zero

Solution
Question 9
4 / -1

The P-V graph of an ideal gas cycle is shown here as below. The adiabatic process is described by

A
AB and BC

B
AB and CD

C
BC and DA

D
BC and D
Question 10
4 / -1

An ideal monoatomic gas is taken round the cycle ABCDA as shown in following P-V diagram. The work done during

A
PV

B
2 PV

C
4 PV

D
zero

Solution