thermodynamics mcq

Question

1. What is the first law of thermodynamics? a) Energy cannot be created or destroyed b) The entropy of a closed system always increases c) Heat cannot be converted into work without some other change d) All of the above
2. What is the second law of thermodynamics? a) Energy cannot be created or destroyed b) The entropy of a closed system always increases c) Heat cannot be converted into work without some other change d) All of the above
3. Which of the following is an example of a reversible process? a) A gas expanding in a cylinder b) A cup of hot coffee cooling down on a table c) A car braking to a stop d) A gas expanding in a cylinder and then contracting in the same cylinder
4. What is the definition of entropy? a) The amount of heat transferred in a process b) The measure of the disorder or randomness of a system c) The measure of the energy of a system d) The measure of the work done in a process
5. Which of the following is NOT a state function? a) Work b) Heat c) Pressure d) Path

Answer 1

1. What is the first law of thermodynamics? a) Energy cannot be created or destroyed b) The entropy of a closed system always increases c) Heat cannot be converted into work without some other change d) All of the above
2. What is the second law of thermodynamics? a) Energy cannot be created or destroyed b) The entropy of a closed system always increases c) Heat cannot be converted into work without some other change d) All of the above
3. Which of the following is an example of a reversible process? a) A gas expanding in a cylinder b) A cup of hot coffee cooling down on a table c) A car braking to a stop d) A gas expanding in a cylinder and then contracting in the same cylinder
4. What is the definition of entropy? a) The amount of heat transferred in a process b) The measure of the disorder or randomness of a system c) The measure of the energy of a system d) The measure of the work done in a process
5. Which of the following is NOT a state function? a) Work b) Heat c) Pressure d) Path

Answers:

1. a) Energy cannot be created or destroyed
2. b) The entropy of a closed system always increases
3. d) A gas expanding in a cylinder and then contracting in the same cylinder
4. b) The measure of the disorder or randomness of a system
5. d) Path