1010023211 CET-I

What is the primary importance of thermodynamics?

• To study the motion of particles

• To analyze the energy transformations

• To understand chemical reactions

• To explore quantum mechanics

Which of the following is NOT an application area of thermodynamics?

• Power generation

• Refrigeration

• Fluid dynamics

• Quantum computing

What is a system in thermodynamics?

• The entire universe

• A specific quantity of matter or a region in space chosen for study

• The surrounding environment

• A mathematical model

What is a control volume in thermodynamics?

• A fixed region in space where mass and energy are analyzed

• A mobile boundary enclosing a system

• The entire surroundings of a system

• A hypothetical boundary

Which of the following is a thermodynamic property?

• Mass

• Temperature

• Volume

• All of the above

Which type of system allows energy but not mass to cross its boundaries?

• Open system

• Closed system

• Isolated system

• None of the above

What is a pure substance in thermodynamics?

• A substance with a uniform and invariable chemical composition

• A mixture of different phases

• A combination of gases

• A substance with varying chemical properties

What is meant by the state of a thermodynamic system?

• The specific condition defined by the properties of the system

• The surroundings of the system

• The process the system undergoes

• The phase of the system

What does thermodynamic equilibrium mean?

• The system is static and unchanging

• The system's properties are uniformly distributed

• No net change in the state of the system over time

• The system is undergoing a reversible process

Which of the following statements is true for an open system?

• It does not allow energy transfer

• It does not allow mass transfer

• It allows both mass and energy transfer

• It is completely isolated from the surroundings