Thermodynamics Test

Result

Thermodynamics Test - 35

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Weekly Quiz Competition

Question 1
4 / -1

The temperature on celsius scale is 25^oC What is the corresponding temperature on the Fahrenheit Scale?

A
40^oF

B
45^oF

C
50^oF

D
77^oF

Solution
Question 2
4 / -1

A Centigrade and a Fahrenhit thesmometes are dipped in boiling wates-The wates temperature is lowered until the Farenhit thesmometes registered 140^o what is the fall in thesmometers

A
80^o

B
60^o

C
40^o

D
30^o

Solution
Question 3
4 / -1

A
‒2 × 10^‒3

B
1 × 10^‒3

C
‒1 × 10^‒3

D
2 × 10^‒3

Solution
Question 4
4 / -1

A

B

C

D

Solution
Question 5
4 / -1

Is the cyclic Process Shown on the V → P diagram, the magnitude of the work done is

A

B

C

D

Solution
Question 6
4 / -1

In a thermodynamic process, pressure of a fixed mass of a gas is changed in such a manner that the gas release 20J of heat and 8J of work has done on the gas- If the inifial internal energy of the gas was 30j, then the final internal energy will be

A
58 J

B
2 J

C
42 J

D
18 J
Question 7
4 / -1

An ideal monoatomic gas is taken around the cycle ABCDA as Shown in the P → V diagram. The work done during the cycle is given by

A
PV

B
1/2 PV

C
2PV

D
4PV
Question 8
4 / -1

A given mass of a gas expands from state A to B by three different paths 1, 2 and 3 as shown in the figure. If W₁ ,W₂ and W₃ respectively be the work done by the gas along the three paths, then

A
W₁ > W₂ > W₃

B
W₁ < W₂ < W₃

C
W₁ = W₂ = W₃

D
W₁ < W₂ , W₁ < W₃
Question 9
4 / -1

A
1.454

B
1.4

C
1.54

D
1.5

Solution
Question 10
4 / -1

If du represents the increase in internal energy of a thermodynamic system and dw the work done by the system, which of the following statement is true ?

A
du = dw in isothermal process

B
du = ‒ dw in an aidabadic process

C
du = dw in aidabadic process

D
da = ‒ dw in an isothermal process