Thermodynamics Test

Result

Thermodynamics Test - 43

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Weekly Quiz Competition

Question 1
4 / -1

A
0.02 J

B
0.05 J

C
0.08 J

D
0.1 J

Solution
Question 2
4 / -1

A
1.30

B
1.50

C
1.67

D
2.00

Solution
Question 3
4 / -1

P-V diagram of an ideal gas is as shown in figure. Work done by the gas in process ABCD is

A

B

C

D

Solution
Question 4
4 / -1

A
5/3

B
2/5

C
3/5

D
5/2

Solution
Question 5
4 / -1

An ideal gas heat engine operates in a Carnot cycle between 227°C and 1.27°C. It absorbs 6 kcal at the higher temperature. The amount of heat (in k-cal) converted into work is equal to

A
3.5

B
1.6

C
1.2

D
4.8

Solution
Question 6
4 / -1

A
10 R

B
20 R

C
30 R

D
40 R

Solution
Question 7
4 / -1

A

B

C

D

Solution
Question 8
4 / -1

Three samples of the same gas A, B and C (γ = 3/2) have initially equal volume. Now the volume of each sample is doubled. The process is adiabatic for A isobaric for B and isothermal for C. If the final pressures are equal for all three samples, the ratio of their initial pressures are

A

B

C

D

Solution
Question 9
4 / -1

Volume versus temperature graph of two moles of helium gas is as shown in figure. The ratio of heat absorbed and the work done by the gas in process 1-2 is

A
3

B

C

D

Solution
Question 10
4 / -1

In the P-V diagram shown in figure ABC is a semicircle. The work done in the process ABC is

A
zero

B

C

D

Solution