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

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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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

Description : 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

Last Answer : point function

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

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

Description : 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

Last Answer : Process

Work done in an adiabatic process between a given pair of end states depends on  (a) the end states only  (b) particular adiabatic process  (c) the value of index n  (d) the value of heattransferred  (e) mass of the system.

Description : Work done in an adiabatic process between a given pair of end states depends on  (a) the end states only  (b) particular adiabatic process  (c) the value of index n  (d) the value of heattransferred  (e) mass of the system.

Last Answer : Answer : a

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

Last Answer : Path

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

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

Description : 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

Last Answer : Joule-Thomson process

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

_________ 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

Description : _________ 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

Last Answer : mean free path

_________ is the quantity of heat required to raise the temperature of one pound of water 1 F˚ from 63 ˚F to 64 ˚F.  a. one Joule  b. one calorie  c. one watt  d. one BTU

Description : _________ is the quantity of heat required to raise the temperature of one pound of water 1 F˚ from 63 ˚F to 64 ˚F.  a. one Joule  b. one calorie  c. one watt  d. one BTU

Last Answer : one BTU

Vapor pressure depends only on _________.  a. pressure  b. force  c. volume  d. temperature

Description : Vapor pressure depends only on _________.  a. pressure  b. force  c. volume  d. temperature

Last Answer : temperature

“If the temperature o f a fixed quantity of a gas is held constant during a change of state, the volume varies inversely with the absolute pressure.  a. Charle’s Law  b. Boyle’s Law  c. Dalton’s Law  d. Amagat’s Law

Description : “If the temperature o f a fixed quantity of a gas is held constant during a change of state, the volume varies inversely with the absolute pressure.  a. Charle’s Law  b. Boyle’s Law  c. Dalton’s Law  d. Amagat’s Law

Last Answer : Boyle’s Law

A vector quantity whose direction is the same as the direction of the velocity  a. Force  b. Momentum  c. Friction  d. Resultant

Description : A vector quantity whose direction is the same as the direction of the velocity  a. Force  b. Momentum  c. Friction  d. Resultant

Last Answer : Momentum

The efficiency of Diesel cycle depends upon  A. temperature limits  B. pressure ratio  C. compression ratio  D. cut-off ratio and compression ratio

Description : The efficiency of Diesel cycle depends upon  A. temperature limits  B. pressure ratio  C. compression ratio  D. cut-off ratio and compression ratio

Last Answer : Answer: D

The efficiency of a dual combustion cycle __________ upon cut-off ratio.  A. depends  B. does not depend

Description : The efficiency of a dual combustion cycle __________ upon cut-off ratio.  A. depends  B. does not depend

Last Answer : Answer: A

If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle  (a) more  (b) less  (c) equal  (d) depends on other factors  (e) none of the above.

Description : If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle  (a) more  (b) less  (c) equal  (d) depends on other factors  (e) none of the above.

Last Answer : Answer : c

For same compression ratio and for same heat added  (a) Otto cycle is more efficient than Diesel cycle  (b) Diesel cycle is more efficient than Otto cycle  (c) efficiency depends on other factors  (d) both Otto and Diesel cycles are equally efficient  (e) none of the above.

Description : For same compression ratio and for same heat added  (a) Otto cycle is more efficient than Diesel cycle  (b) Diesel cycle is more efficient than Otto cycle  (c) efficiency depends on other factors  (d) both Otto and Diesel cycles are equally efficient  (e) none of the above.

Last Answer : Answer : a

Carnot cycle efficiency depends upon  (a) properties of the medium/substance used  (b) condition of engine  (c) working condition  (d) temperature range of operation  (e) effectiveness of insulating material around the engine.

Description : Carnot cycle efficiency depends upon  (a) properties of the medium/substance used  (b) condition of engine  (c) working condition  (d) temperature range of operation  (e) effectiveness of insulating material around the engine.

Last Answer : Answer : d

The most efficient cycle that can operate between two constant temperature reservoir is the _________.  a. Otto Cycle  b. Lazare Cycle  c. Isothermal Cycle  d. Carnot Cycle

Description : The most efficient cycle that can operate between two constant temperature reservoir is the _________.  a. Otto Cycle  b. Lazare Cycle  c. Isothermal Cycle  d. Carnot Cycle

Last Answer : Carnot Cycle

Gasoline and Diesel Engines are best described by the _________.  a. Otto Cycle  b. Burnign Cycle  c. Shikki Cycle  d. Shapa R’ Elli Cycle

Description : Gasoline and Diesel Engines are best described by the _________.  a. Otto Cycle  b. Burnign Cycle  c. Shikki Cycle  d. Shapa R’ Elli Cycle

Last Answer : Otto Cycle

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

Description : 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

Last Answer : path

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

Which of the following items is not a path function  (a) heat  (b) work  (c) kinetic energy  (d) vdp  (e) thermal conductivity.

Description : Which of the following items is not a path function  (a) heat  (b) work  (c) kinetic energy  (d) vdp  (e) thermal conductivity.

Last Answer : Answer : e

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

Description : 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

Last Answer : Process

Entropy change depends on  (a) heat transfer  (b) mass transfer  (c) change of temperature  (d) thermodynamic state  (e) change of pressure and volume.

Description : Entropy change depends on  (a) heat transfer  (b) mass transfer  (c) change of temperature  (d) thermodynamic state  (e) change of pressure and volume.

Last Answer : Answer : a

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

Properties of substances like pressure, temperature and density, in thermodynamic coordinates are  (a) path functions  (b) point functions  (c) cyclic functions  (d) real functions (e) thermodynamic functions.

Description : Properties of substances like pressure, temperature and density, in thermodynamic coordinates are  (a) path functions  (b) point functions  (c) cyclic functions  (d) real functions (e) thermodynamic functions.

Last Answer : Answer : b

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

Description : 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

Last Answer : Answer: C

The flow through an open system is _________ if all properties at each point within the system remain constant with respect to time.  a. streamline flow  b. steady flow  c. constant flow  d. algebraic flow

Description : The flow through an open system is _________ if all properties at each point within the system remain constant with respect to time.  a. streamline flow  b. steady flow  c. constant flow  d. algebraic flow

Last Answer : steady flow

_________ is the temperature to which the air must be cooled, at constant pressure, to produce saturation.  a. relative humidity  b. triple point temperature  c. dew point  d. critical point

Description : _________ is the temperature to which the air must be cooled, at constant pressure, to produce saturation.  a. relative humidity  b. triple point temperature  c. dew point  d. critical point

Last Answer : dew point

If any external pressure is applied to a confined fluid, the pressure will be increased at every point in the fluid by the amount of the external pressure is known as _________.  a. Torricelli’s law  b. Barometric law  c. Newton’s Second law  d. Pascal’s law

Description : If any external pressure is applied to a confined fluid, the pressure will be increased at every point in the fluid by the amount of the external pressure is known as _________.  a. Torricelli’s law  b. Barometric law  c. Newton’s Second law  d. Pascal’s law

Last Answer : Pascal’s law

The temperature at which the vapor pressure exactly equals one atm is called _________.  a. boiling temperature  b. normal boiling point  c. triple point  d. point of infliction

Description : The temperature at which the vapor pressure exactly equals one atm is called _________.  a. boiling temperature  b. normal boiling point  c. triple point  d. point of infliction

Last Answer : normal boiling point

_________ the very small KE still present in molecules at absolute zero temperature.  a. internal KE  b. Atomic kinetic energy  c. Zero-Point Energy  d. Subliminal Energy

Description : _________ the very small KE still present in molecules at absolute zero temperature.  a. internal KE  b. Atomic kinetic energy  c. Zero-Point Energy  d. Subliminal Energy

Last Answer : Zero-Point Energy

The process of one substance mixing with another because of molecular motion is called _________.  a. diffusion  b. viscosity  c. streamline flow  d. solution

Description : The process of one substance mixing with another because of molecular motion is called _________.  a. diffusion  b. viscosity  c. streamline flow  d. solution

Last Answer : diffusion

Most cooking activities involve _________ process.  a. Isochoric  b. Isothermal  c. Isobaric  d. Isovolumic

Description : Most cooking activities involve _________ process.  a. Isochoric  b. Isothermal  c. Isobaric  d. Isovolumic

Last Answer : Isobaric

The boiling of water into steam in an open container is an example of a/an _________ process.  a. adiabatic  b. isochoric  c. isobaric  d. zero work

Description : The boiling of water into steam in an open container is an example of a/an _________ process.  a. adiabatic  b. isochoric  c. isobaric  d. zero work

Last Answer : isobaric

_________ is a thermodynamic potential that measures the “useful” or process-initiating work obtainable from an isothermal, isobaric thermodynamic system.  a. Du-Pont Potential  b. Gibbs free energy  c. Rabz-Eccles Energy  d. Claussius Energy

Description : _________ is a thermodynamic potential that measures the “useful” or process-initiating work obtainable from an isothermal, isobaric thermodynamic system.  a. Du-Pont Potential  b. Gibbs free energy  c. Rabz-Eccles Energy  d. Claussius Energy

Last Answer : Gibbs free energy

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

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

Last Answer : enthalpy

________ 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

Description : ________ 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

Last Answer : cycle

In order to use a substance to make a thermometer the substance must _________ with a temperature change.  a. expand  b. contract  c. change  d. increase

Description : In order to use a substance to make a thermometer the substance must _________ with a temperature change.  a. expand  b. contract  c. change  d. increase

Last Answer : change

Two thick slices of bread, when completely oxidized by the body, can supply 200,000 cal of heat. How much work is this equivalent to?  a) 4,190,000 joules  b) 8,390,000 joules  c) 839,000 joules  d) 419 000 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie

Description : Two thick slices of bread, when completely oxidized by the body, can supply 200,000 cal of heat. How much work is this equivalent to?  a) 4,190,000 joules  b) 8,390,000 joules  c) 839, ... d) 419 000 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie

Last Answer : 419 000 joules

How many joules of work is the equivalent of 15000 cal of heat?  a) 62850 joules  b) 3579.95 joules  c) 14995.81 joules  d) 15004.19 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie

Description : How many joules of work is the equivalent of 15000 cal of heat?  a) 62850 joules  b) 3579.95 joules  c) 14995.81 joules  d) 15004.19 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie

Last Answer : 62850 joules

The thermodynamic property of a system is said to be an intensive property whose value for the entire system __________ the sum of their value for the individual parts of the system.  A. is equal to  B. is not equal to

Description : The thermodynamic property of a system is said to be an intensive property whose value for the entire system __________ the sum of their value for the individual parts of the system.  A. is equal to  B. is not equal to

Last Answer : Answer: B

A temperature scale whose zero point is absolute zero, the temperature of “0” entropy at which all molecular motion stops.  a. Celsius  b. Fahrenheit  c. Kelvin  d. Rankine

Description : A temperature scale whose zero point is absolute zero, the temperature of “0” entropy at which all molecular motion stops.  a. Celsius  b. Fahrenheit  c. Kelvin  d. Rankine

Last Answer : Kelvin

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

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

Last Answer : Property

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.

Description : 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 ... sub-stance should be same  (d) all of the above  (e) none of the above.

Last Answer : Answer : d

The rate at which this is quantity passes through a fixed boundary per unit time  a. Flux  b. Existence  c. Irradiance  d. All of these

Description : The rate at which this is quantity passes through a fixed boundary per unit time  a. Flux  b. Existence  c. Irradiance  d. All of these

Last Answer : All of these