What refers to any change that a system undergoes from one equilibrium state to another equilibrium state?  A. Process  B. Path  C. Phase  D. Cycle

What refers to any change that a system undergoes from one equilibrium state to another equilibrium state?  A. Process  B. Path  C. Phase  D. Cycle
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What is a process in which the system remains infinitesimally closed to an equilibrium state at all times?  A. Path equilibrium process  B. Cycle equilibrium process  C. Phase equilibrium process  D. Quasi-state or quasiequilibrium process

Description : What is a process in which the system remains infinitesimally closed to an equilibrium state at all times?  A. Path equilibrium process  B. Cycle equilibrium process  C. Phase equilibrium process  D. Quasi-state or quasiequilibrium process

Last Answer : Quasi-state or quasi- equilibrium process

The change that the system that undergoes from one equilibrium state to another is known as  a. oath  b. process  c. enthalpy change  d. entropy change

Description : The change that the system that undergoes from one equilibrium state to another is known as  a. oath  b. process  c. enthalpy change  d. entropy change

Last Answer : process

What refers to the series of state through which a system passes during a process?  A. Path  B. Phase  C. Cycle  D. Direction

Description : What refers to the series of state through which a system passes during a process?  A. Path  B. Phase  C. Cycle  D. Direction

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What is a process with identical end states called?  A. Cycle  B. Path  C. Phase  D. Either path or phase

Description : What is a process with identical end states called?  A. Cycle  B. Path  C. Phase  D. Either path or phase

Last Answer : Cycle

If a system after undergoing a series of processes, returns to the initial state then  (a) process is thermodynamically in equilibrium  (b) process is executed in closed system cycle  (c) its entropy will change due to irreversibility  (d) sum of heat and work transfer will be zero  (e) no work will be done by the system.

Description : If a system after undergoing a series of processes, returns to the initial state then  (a) process is thermodynamically in equilibrium  (b) process is executed in closed system cycle  (c) its entropy will ... sum of heat and work transfer will be zero  (e) no work will be done by the system.

Last Answer : Answer : d

What refers to the pressure at which a pure substance changes phase at a given temperature?  A. Equilibrium pressure  B. Saturation pressure  C. Superheated pressure  D. Subcooled pressure

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Last Answer : Saturation pressure

What refers to the temperature at which a pure substance changes phase at a given pressure?  A. Equilibrium temperature  B. Saturation temperature  C. Superheated temperature  D. Subcooled temperature

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Last Answer : Saturation temperature

A _________ is a quantity whose value depends on the path followed during a particular change in state.  a. path function  b. point function  c. process  d. cycle

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________ is a succession of changes that ends with the return of the body or system to its initial state.  a. process  b. system  c. equilibrium  d. cycle

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What refers to the series of states through which a system passes during the process?  a. path  b. quasi- static steps  c. reversibility moves  d. irreversibility moves

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Last Answer : path

A _________ is a quantity whose value at any state is independent of the path or process used to reach that state.  a. cycle  b. path function  c. point function  d. process

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Last Answer : point function

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Any characteristic of a thermodynamics system is called a _____.  A. Property  B. Process  C. Phase  D. Cycle

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What is the unique state at which solid, liquid and gaseous phase can go co-exist in equilibrium?  a. Triple point  b. Critical point  c. Boiling point  d. Pour point

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A system is said to be in thermodynamic equilibrium if it maintains ______ equilibrium.  A. Mechanical and phase  B. Thermal and chemical  C. Thermal, mechanical and chemical  D. Thermal, phase, mechanical and chemical

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If a system involves two phases, it is in ______ equilibrium when the mass of each phase reaches an equilibrium level and stays there.  A. Chemical  B. Thermal  C. Mechanical  D. Phase

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A system is in ______ equilibrium if the temperature is the same throughout the entire system.  A. Static  B. Thermal  C. Mechanical  D. Phase

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The pressure of the vapor phase of a substance that is in equilibrium with the liquid or solid phase.  a. Phase Pressure  b. Equilibrium Vapor Pressure  c. Specific Pressure  d. Equilibrium Phase Pressure

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If any one or more properties of a system change, the system is said to have undergone a _______.  a. Cycle  b. System  c. Process  d. None of the above

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Zeroth law of thermodynamics  (a) deals with conversion of mass and energy  (b) deals with reversibility and irreversibility of process  (c) states that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other  (d) deals with heat engines  (e) does not exist.

Description : Zeroth law of thermodynamics  (a) deals with conversion of mass and energy  (b) deals with reversibility and irreversibility of process  (c) states that if two systems are both in equilibrium with a ... in thermal equilibrium with each other  (d) deals with heat engines  (e) does not exist.

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_________ is the average distance a molecule moves before colliding with another molecule.  a. mean free path  b. path allowance  c. compacting factor  d. molecular space

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An ideal gas of volume 1liter and pressure 10 bar undergoes a quasistatic adiabatic expansion until the pressure drops to 1 bar. Assume γ to be 1.4 what is the final volume?  a. 3.18 l  b. 4.18 l  c. 5.18 l  d. 6.18 l

Description : An ideal gas of volume 1liter and pressure 10 bar undergoes a quasistatic adiabatic expansion until the pressure drops to 1 bar. Assume γ to be 1.4 what is the final volume?  a. 3.18 l  b. 4.18 l  c. 5.18 l  d. 6.18 l

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When an object undergoes thermal expansion,  a. any holes in the object expand as well  b. any holes in the object remain the same  c. mass increases  d. molecular activities would cease

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Which of the following values characterize the state of the system?  a. cycle  b. process  c. property  d. enthalpy

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A state occurs when a system is in equilibrium  a. Natural Environment  b. Closed System  c. Surrounding  d. Isentropic

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Extensive property of a system is one whose value  (a) depends on the mass of the system like volume  (b) does not depend on the mass of the system, like temperature, pressure, etc.  (c) is not dependent on the path followed but on the state  (d) is dependent on the path followed and not on the state  (e) is always constant.

Description : Extensive property of a system is one whose value  (a) depends on the mass of the system like volume  (b) does not depend on the mass of the system, like temperature, pressure, etc.  (c) is not ... the state  (d) is dependent on the path followed and not on the state  (e) is always constant.

Last Answer : Answer : a

Intensive property of a system is one whose value  (a) depends on the mass of the system, like volume  (b) does not depend on the mass of the system, like temperature, pressure, etc.  (c) is not dependent on the path followed but on the state  (d) is dependent on the path followed and not on the state  (e) remains constant.

Description : Intensive property of a system is one whose value  (a) depends on the mass of the system, like volume  (b) does not depend on the mass of the system, like temperature, pressure, etc.  (c) is not ... on the state  (d) is dependent on the path followed and not on the state  (e) remains constant.

Last Answer : Answer : b

In thermodynamics, a throttling process, also called a _________, is a type of isenthalpic process where a liquid or gas is cooled as it passes from a higher pressure state to a lower pressure state.  a. Rankine Process  b. Carnot Cycle  c. Joule-Thomson process  d. Refrigeration process

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What refers to the heat needed to change the temperature of the substances without changing its phases?  a. Latent heat  b. Sensible heat  c. Specific heat  d. entropy

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How many independent properties are required to completely fix the equilibrium state of a pure gaseous compound?  a. 4  b. 3  c. 2  d. 1

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Last Answer : 2

How many independent properties are required to completely fix the equilibrium state of a pure gaseous compound?  A. 4  B. 3  C. 2  D. 1

Description : How many independent properties are required to completely fix the equilibrium state of a pure gaseous compound?  A. 4  B. 3  C. 2  D. 1

Last Answer : 2

If two systems are in the thermal equilibrium with a third system, then they must be in thermal equilibrium with each other.  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Description : If two systems are in the thermal equilibrium with a third system, then they must be in thermal equilibrium with each other.  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

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A system in which there is a flow of mass is known as _____.  A. Equilibrium system  B. Isolated system  C. Open system  D. Closed system

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A system which consists of fixed amount of mass and no mass can cross its boundary called _____.  A. Equilibrium system  B. Thermal equilibrium system  C. Open system  D. Closed system

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Last Answer : Closed system

The amount of heat energy per kilogram that must be added or removed when a substance changes from one phase to another.  a. specific heat  b. heat of expansion  c. latent heat  d. useful heat

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Heat and work are  (a) point functions  (b) system properties  (c) path functions  (d) intensive properties  (e) extensive properties.

Description : Heat and work are  (a) point functions  (b) system properties  (c) path functions  (d) intensive properties  (e) extensive properties.

Last Answer : Answer : c

During which of the following process does heat rejection takes place in Carnot cycle?  A. Isothermal expansion  B. Isentropic expansion  C. Isothermal compression  D. Isentropic compression

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Last Answer : Answer: C

In order that a cycle be reversible, following must be satisfied  (a) free expansion or friction resisted expansion/compression process should not be encountered  (b) when heat is being absorbed, temperature of hot source and working sub¬stance should be same  (c) when beat is being rejected, temperature of cold source and working sub-stance should be same  (d) all of the above  (e) none of the above.

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At Equilibrium, the radiation emitted must equal the radiation absorbed.  a. Boyle’s Law  b. Planck’s Law  c. Kirchoff’s Law  d. Joule’s Law

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What is the temperature when water and vapor are in equilibrium with the atmospheric pressure?  a. Ice point  b. Steam point  c. Critical point  d. Freezing point

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Last Answer : Steam point

At steam point, the temperature of water and its vapor at standard pressure are:  a. Extremes or maximum  b. unity  c. in equilibrium  d. undefined

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What is the temperature when water and vapor are in the equilibrium with the atmospheric pressure?  a. Ice point  b. Steam point  c. Critical point  d. Freezing point

Description : What is the temperature when water and vapor are in the equilibrium with the atmospheric pressure?  a. Ice point  b. Steam point  c. Critical point  d. Freezing point

Last Answer : Steam point

__________________ represents the highest pressure and highest temperature at which liquid and vapor can coexist in equilibrium.  a) Critical Point  b) Boiling Point  c) Quality Point  d) None of the above

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Last Answer : Critical Point

A vessel with a volume of cubic meter contains liquid water and water vapor ion equilibrium at 600 kPa. The liquid water has mass of1kg. Using the steam table, calculate the mass of the water vapor.  A. 0.99kg  B. 1.57 kg  C. 2.54 kg  D. 3.16 kg Formula: from the steam table at 600kPa vƒ = 0.001101 m^3 / kg vg = 0.3157 m^3 / kg Vtot = mƒ vƒ + mg vg mg = (tot-mƒ vƒ) / vg

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Last Answer : 3.16 kg

_________is the partial pressure of water vapor at the existing temperature divided by the equilibrium vapor pressure of water at the existing temperature.  a. vacuum pressure  b. relative humidity  c. absolute pressure  d. vapor pressure

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What states that if two bodies are in thermal equilibrium with a third body, they are also in equilibrium with each other?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

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Last Answer : Zeroth law of thermodynamics