Thermodynamics Test

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Thermodynamics Test - 29

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Weekly Quiz Competition

Question 1
4 / -1

First law of thermodynamics is given by

A
ΔQ =ΔU + PΔV

B
ΔQ = ΔU x PΔV

C
ΔQ = (ΔU + ΔV) P

D
ΔQ = PΔU + ΔV
Question 2
4 / -1

The internal energy of an ideal gas depends upon

A
Specific volume

B
Pressure

C
Temperature

D
Density
Question 3
4 / -1

A system is given 300 calories of heat and it does 600 J of work. How much does the internal energy of the system change in this process? (J = 4.18 J/cal)

A
654 J

B
156.5 J

C
– 300 J

D
– 528.2 J

Solution
Question 4
4 / -1

Which of the following is not a thermodynamical function?

A
Enthalpy

B
Work done

C
Gibb's energy

D
Internal energy
Question 5
4 / -1

Which of the following is not a thermodynamic coordinate ?

A
P

B
T

C
V

D
R
Question 6
4 / -1

Which of the following parameters does not characterize the thermodynamic state of matter ?

A
Volume

B
Temperature

C
Pressure

D
Work
Question 7
4 / -1

In a thermodynamic system working substance is ideal gas, its internal energy is in the form of

A
Kinetic energy only

B
Kinetic and potential energy

C
Potential energy

D
None of the above
Question 8
4 / -1

Out of the following which quantity does not depend on path ?

A
Temperature

B
Energy

C
Work

D
None of these
Question 9
4 / -1

If C_V = 4.96 cal/mole K, then increase in internal energy when temperature of 2 moles of this gas is increased from 340 K to 342 K

A
27.80 cal

B
19.84 cal

C
13.90 cal

D
9.92 cal

Solution
Question 10
4 / -1

If heat given to a system is 6 kcal and work done is 6 kJ.Then change in internal energy is

A
19.1 kJ

B
12.5 kJ

C
25 kJ

D
Zero

Solution

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Re-Attempt Weekly Quiz Competition

Thermodynamics Test - 29

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Thermodynamics Test - 29

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SHARING IS CARING

Question 1

ΔQ =ΔU + PΔV

ΔQ = ΔU x PΔV

ΔQ = (ΔU + ΔV) P

ΔQ = PΔU + ΔV

Question 2

Specific volume

Pressure

Temperature

Density

Question 3

654 J

156.5 J

– 300 J

– 528.2 J

Solution

Question 4

Enthalpy

Work done

Gibb's energy

Internal energy

Question 5

P

T

V

R

Question 6

Volume

Temperature

Pressure

Work

Question 7

Kinetic energy only

Kinetic and potential energy

Potential energy

None of the above

Question 8

Temperature

Energy

Work

None of these

Question 9

27.80 cal

19.84 cal

13.90 cal

9.92 cal

Solution

Question 10

19.1 kJ

12.5 kJ

25 kJ

Zero

Solution

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