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24.2
Test Description: 2nd Law of Thermodynamics
Instructions: Answer all questions to get your test result.
1) The 1st Law of Thermodynamics is a restatement of which of the following?
A
Law of Conservation of Energy
B
Newtons 1st Law of Motion
C
Newtons 2nd Law of Motion
D
3rd Law of Thermodynamics
2) Besides adding heat, what is the other way to increase the internal energy of a system?
A
Decrease temperature of the system
B
Do work on the system
C
Increase temperature of the system
3) If something is compressed (work done on it), what will happen to the internal energy of it?
A
Increases (Temperature increases)
B
Decreases (Temperature decreases)
4) Whenever heat is added to a system, it transforms to an equal amount of some other form of energy.
A
True
B
False
5) A group of particles or objects that you want to analyze is called a(n)
A
experiment
B
data set
C
system
D
hypothesis
6) If an object is expanded (work done by it), what will happen to the internal energy of it?
A
Decreases (Temperature decreases)
B
Increases (Temperature increases)
7) Which of the following is the mathematical expression of the 1st Law of Thermodynamics?
A
Heat added = (increase in internal energy) + (external work done by the system)
B
F = ma
C
Efficiency = (Thot-Tcold) / Thot
8) Which of the following is heat added to a system NOT able to do?
A
Do external work
B
Increase internal energy
C
Decrease entropy
9) The flow of heat is not directly related to the flow of energy.
A
False
B
True
10) The 1st Law of Thermodynamics states that the heat added to a system is equal to the increase in internal energy and the external work done by the system.
A
False
B
True
*select an answer for all questions
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