About this Study Set
This study set covers Thermodynamics through
20 practice questions.
A collection of easy, fact-based multiple-choice questions covering core concepts in thermodynamics. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 20 questions from the
Fundamentals of Thermodynamics study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which of the following is a unit of temperature?
-
A
Joule
-
B
Watt
-
C
Pascal
-
D
Kelvin
2
The first law of thermodynamics is a statement of the conservation of what?
-
A
Mass
-
B
Momentum
-
C
Energy
-
D
Charge
3
Which process involves the transfer of heat through direct contact between particles?
-
A
Convection
-
B
Radiation
-
C
Conduction
-
D
Evaporation
4
Absolute zero is the theoretical temperature at which particle motion stops. What is its value in Celsius?
-
A
0°C
-
B
100°C
-
C
-100°C
-
D
-273.15°C
5
What is the SI unit of heat energy?
-
A
Calorie
-
B
BTU
-
C
Kilogram
-
D
Joule
6
The second law of thermodynamics states that the entropy of an isolated system tends to:
-
A
Decrease
-
B
Remain constant
-
C
Increase
-
D
Become zero
7
Which of the following is a measure of the average kinetic energy of the particles in a substance?
-
A
Heat
-
B
Work
-
C
Pressure
-
D
Temperature
8
Heat transfer through the movement of fluids (liquids or gases) is called:
-
A
Conduction
-
B
Radiation
-
C
Convection
-
D
Diffusion
9
A substance that readily transfers heat is known as a good:
-
A
Insulator
-
B
Conductor
-
C
Reflector
-
D
Absorber
10
The process by which heat is transferred through electromagnetic waves is called:
-
A
Conduction
-
B
Convection
-
C
Absorption
-
D
Radiation
11
What is the unit of power, often associated with the rate of energy transfer?
-
A
Joule
-
B
Newton
-
C
Watt
-
D
Pascal
12
According to the Zeroth Law of Thermodynamics, if two systems are each in thermal equilibrium with a third system, then they are in thermal equilibrium with each other.
-
A
True
-
B
False
-
C
Sometimes
-
D
Only at absolute zero
13
The capacity of a substance to absorb heat without changing its temperature is called its:
-
A
Thermal conductivity
-
B
Specific heat capacity
-
C
Latent heat
-
D
Boiling point
14
Which state of matter typically has the highest thermal conductivity?
-
A
Solid
-
B
Liquid
-
C
Gas
-
D
Plasma
15
The total energy of the particles within a system is known as:
-
A
Kinetic energy
-
B
Potential energy
-
C
Internal energy
-
D
Mechanical energy
16
The amount of heat required to change the state of a substance (e.g., melting or boiling) at a constant temperature is called:
-
A
Specific heat
-
B
Thermal expansion
-
C
Latent heat
-
D
Heat capacity
17
When a gas is compressed rapidly and adiabatically, its temperature tends to:
-
A
Decrease
-
B
Stay the same
-
C
Increase
-
D
Become absolute zero
18
A perfect black body is an idealized object that absorbs all incident electromagnetic radiation and emits radiation based solely on its temperature.
-
A
True
-
B
False
-
C
Partially true
-
D
Depends on color
19
What is the SI unit of pressure?
-
A
Newton
-
B
Joule
-
C
Watt
-
D
Pascal
20
The third law of thermodynamics deals with the behavior of systems as they approach what temperature?
-
A
Boiling point
-
B
Room temperature
-
C
Absolute zero
-
D
Melting point
