Which of the following is the property of a system  (a) pressure and temperature  (b) internal energy  (c) volume and density  (d) enthalpy and entropy  (e) all of the above.

Which of the following is the property of a system
 (a) pressure and temperature
 (b) internal energy
 (c) volume and density
 (d) enthalpy and entropy
 (e) all of the above.
by

1 Answer

Answer :

Answer : e
by

Related questions

Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Description : Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Last Answer : Answer : a

If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly  (a) temperature  (b) enthalpy  (c) internal energy  (d) entropy  (e) all of the above.

Description : If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly  (a) temperature  (b) enthalpy  (c) internal energy  (d) entropy  (e) all of the above.

Last Answer : Answer : d

The sum of internal energy (U) and the product of pressure and volume (p.v) is known as  A. workdone  B. entropy  C. enthalpy  D. none of these

Description : The sum of internal energy (U) and the product of pressure and volume (p.v) is known as  A. workdone  B. entropy  C. enthalpy  D. none of these

Last Answer : Answer: C

Change in enthalpy of a system is the heat supplied at  (a) constant pressure  (b) constant temperature  (c) constant volume  (d) constant entropy  (e) N.T.P. condition.

Description : Change in enthalpy of a system is the heat supplied at  (a) constant pressure  (b) constant temperature  (c) constant volume  (d) constant entropy  (e) N.T.P. condition.

Last Answer : Answer : a

If value of n is infinitely large in a polytropic process pV” = C, then the process is known as constant  (a) volume  (b) pressure  (c) temperature  (d) enthalpy  (e) entropy

Description : If value of n is infinitely large in a polytropic process pV” = C, then the process is known as constant  (a) volume  (b) pressure  (c) temperature  (d) enthalpy  (e) entropy

Last Answer : Answer : a

Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure  (a) enthalpy  (b) volume  (c) mass  (d) entropy  (e) specific volume.

Description : Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure  (a) enthalpy  (b) volume  (c) mass  (d) entropy  (e) specific volume.

Last Answer : Answer : b

Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Description : Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Last Answer : Answer : c

Entropy is the measure of:  a. The internal energy of a gas  b. The heat capacity of a substance  c. Randomness or disorder  d. The change of enthalpy of a system

Description : Entropy is the measure of:  a. The internal energy of a gas  b. The heat capacity of a substance  c. Randomness or disorder  d. The change of enthalpy of a system

Last Answer : Randomness or disorder

According to first law of thermodynamics  (a) work done by a system is equal to heat transferred by the system  (b) total internal energy of a system during a process remains constant  (c) internal energy, enthalpy and entropy during a process remain constant  (d) total energy of a system remains constant

Description : According to first law of thermodynamics  (a) work done by a system is equal to heat transferred by the system  (b) total internal energy of a system during a process remains constant  ( ... , enthalpy and entropy during a process remain constant  (d) total energy of a system remains constant

Last Answer : Answer : d

Total heat of a substance is also known as  (a) internal energy  (b) entropy  (c) thermal capacity  (d) enthalpy  (e) thermal conductance.

Description : Total heat of a substance is also known as  (a) internal energy  (b) entropy  (c) thermal capacity  (d) enthalpy  (e) thermal conductance.

Last Answer : Answer : d

Which of the following occurs in a reversible polytrophic process?  a. Enthalpy remains constant  b. Internal energy does not change  c. Some heat transfer occurs  d. Entropy remains constant

Description : Which of the following occurs in a reversible polytrophic process?  a. Enthalpy remains constant  b. Internal energy does not change  c. Some heat transfer occurs  d. Entropy remains constant

Last Answer : Some heat transfer occurs

What is the measure of the energy that is no longer available to perform useful work within the current environment?  a. enthalpy  b. entropy  c. internal energy  d. latent heat

Description : What is the measure of the energy that is no longer available to perform useful work within the current environment?  a. enthalpy  b. entropy  c. internal energy  d. latent heat

Last Answer : entropy

What is known as the total heat and heat content at various times in the history?  a. enthalpy  b. entropy  c. internal energy  d. latent heat

Description : What is known as the total heat and heat content at various times in the history?  a. enthalpy  b. entropy  c. internal energy  d. latent heat

Last Answer : enthalpy

What is the energy absorbed during chemical reaction under constant volume conditions?  A. Entropy  B. Ion exchange  C. Enthalpy  D. Enthalpy of reaction

Description : What is the energy absorbed during chemical reaction under constant volume conditions?  A. Entropy  B. Ion exchange  C. Enthalpy  D. Enthalpy of reaction

Last Answer : Enthalpy

What is considered as the heat content of a system?  A. Enthalpy  B. Entropy  C. Internal heat  D. Molar heat

Description : What is considered as the heat content of a system?  A. Enthalpy  B. Entropy  C. Internal heat  D. Molar heat

Last Answer : Enthalpy

Sum of the internal energy of a substance and the product of pressure and volume.  a. Specific Heat  b. Specific Gravity  c. Isolated System  d. Enthalpy

Description : Sum of the internal energy of a substance and the product of pressure and volume.  a. Specific Heat  b. Specific Gravity  c. Isolated System  d. Enthalpy

Last Answer : Enthalpy

Composite property applicable to all fluids  a. Entropy  b. Enthalpy  c. Specific Heat  d. None of the above

Description : Composite property applicable to all fluids  a. Entropy  b. Enthalpy  c. Specific Heat  d. None of the above

Last Answer : Enthalpy

Steam at 1000 lbf/ft^2 pressure and 300˚R has specific volume of 6.5 ft^3/lbm and a specific enthalpy of 9800 lbf-ft/lbm. Find the internal energy per pound mass of steam.  A.2500 lbf-ft/lbm  B.3300 lbf-ft/lbm  C.5400 lbf-ft/lbm  D.6900 lbf-ft/lbm Formula: h= u+ pV u= h– pV

Description : Steam at 1000 lbf/ft^2 pressure and 300˚R has specific volume of 6.5 ft^3/lbm and a specific enthalpy of 9800 lbf-ft/lbm. Find the internal energy per pound mass of steam.  A.2500 lbf-ft/lbm  B.3300 lbf-ft/lbm  C.5400 lbf-ft/lbm  D.6900 lbf-ft/lbm Formula: h= u+ pV u= h– pV

Last Answer : 3300 lbf-ft/lbm

Regardless of the process, the change in enthalpy firm moles of ideal gas is  a. Heat  b. Enthalpy  c. Entropy  d. Density

Description : Regardless of the process, the change in enthalpy firm moles of ideal gas is  a. Heat  b. Enthalpy  c. Entropy  d. Density

Last Answer : Heat

Which of the following quantities is not the property of the system  (a) pressure  (b) temperature  (c) specific volume  (d) heat  (e) density.

Description : Which of the following quantities is not the property of the system  (a) pressure  (b) temperature  (c) specific volume  (d) heat  (e) density.

Last Answer : Answer : d

Which of the following is not the intensive property  (a) pressure  (b) temperature  (c) density  (d) heat  (e) specific volume.

Description : Which of the following is not the intensive property  (a) pressure  (b) temperature  (c) density  (d) heat  (e) specific volume.

Last Answer : Answer : d

The first law of thermodynamics is based on which of the following principles?  a. conservation of mass  b. the enthalpy-entropy relationship  c. action – reaction  d. conservation of energy

Description : The first law of thermodynamics is based on which of the following principles?  a. conservation of mass  b. the enthalpy-entropy relationship  c. action – reaction  d. conservation of energy

Last Answer : conservation of energy

For which of the following substances, the internal energy and enthalpy are the functions of temperature only  (a) any gas  (b) saturated steam  (c) water  (d) perfect gas  (e) superheated steam.

Description : For which of the following substances, the internal energy and enthalpy are the functions of temperature only  (a) any gas  (b) saturated steam  (c) water  (d) perfect gas  (e) superheated steam.

Last Answer : Answer : d

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

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

A function of state that is associated with disorder in the system and environment.  a. enthalpy  b. entropy  c. law of diminishing return  d. Lenz’ Law

Description : A function of state that is associated with disorder in the system and environment.  a. enthalpy  b. entropy  c. law of diminishing return  d. Lenz’ Law

Last Answer : entropy

What refers to the measure of the disorder present in a given substance or system?  A. Enthalpy  B. Entropy  C. Heat capacity  D. Molar heat

Description : What refers to the measure of the disorder present in a given substance or system?  A. Enthalpy  B. Entropy  C. Heat capacity  D. Molar heat

Last Answer : Entropy

_____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Description : _____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Last Answer : Entrophy

What happens to the internal energy of water at reference temperature where enthalpy is zero?  a. Becomes negative  b. Becomes positive  c. Remains constant  d. Cannot be defined

Description : What happens to the internal energy of water at reference temperature where enthalpy is zero?  a. Becomes negative  b. Becomes positive  c. Remains constant  d. Cannot be defined

Last Answer : Becomes negative

In an isothermal process,  A. there is no change in temperature  B. there is no change in enthalpy  C. there is no change in internal energy  D. all of these

Description : In an isothermal process,  A. there is no change in temperature  B. there is no change in enthalpy  C. there is no change in internal energy  D. all of these

Last Answer : Answer: D

Which of the following is the other term used for enthalpy-entropy diagram?  a. Enthalpy diagram  b. Mollier diagram  c. Steam diagram  d. Entropy chart

Description : Which of the following is the other term used for enthalpy-entropy diagram?  a. Enthalpy diagram  b. Mollier diagram  c. Steam diagram  d. Entropy chart

Last Answer : Mollier diagram

A state occurs in isentropic process  a. The change in entropy is 0  b. The change in entropy is 1  c. The change in enthalpy is 0  d. The change in enthalpy is 1

Description : A state occurs in isentropic process  a. The change in entropy is 0  b. The change in entropy is 1  c. The change in enthalpy is 0  d. The change in enthalpy is 1

Last Answer : The change in entropy is 0

What are the names given to constant temperature, constant pressure, constant volume, constant internal energy, constant enthalpy, and constant entropy processes.

Description : What are the names given to constant temperature, constant pressure, constant volume, constant internal energy, constant enthalpy, and constant entropy processes.

Last Answer : Isothermal, isochroic, isobaric, free expression, throttling and adiabatic processes respectively.

First law of thermodynamics  (a) enables to determine change in internal energy of the system  (b) does not help to predict whether the system will or not undergo a change  (c) does not enable to determine change in entropy  (d) provides relationship between heat, work and internal energy  (e) all of the above.

Description : First law of thermodynamics  (a) enables to determine change in internal energy of the system  (b) does not help to predict whether the system will or not undergo a change  (c) does not enable ... entropy  (d) provides relationship between heat, work and internal energy  (e) all of the above.

Last Answer : Answer : e

During throttling process  (a) heat exchange does not take place  (b) no work is done by expanding steam  (c) there is no change of internal energy of steam  (d) all of the above  (e) entropy decreases.

Description : During throttling process  (a) heat exchange does not take place  (b) no work is done by expanding steam  (c) there is no change of internal energy of steam  (d) all of the above  (e) entropy decreases.

Last Answer : Answer : d

Which is NOT an extensive property of thermodynamics?  A. Density  B. Mass  C. Volume  D. Energy

Description : Which is NOT an extensive property of thermodynamics?  A. Density  B. Mass  C. Volume  D. Energy

Last Answer : Density

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 is the area under the curve on a temperature –entropy diagram?  a. Heat  b. work  c. entropy  d. volume

Description : What is the area under the curve on a temperature –entropy diagram?  a. Heat  b. work  c. entropy  d. volume

Last Answer : Heat

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

Which of the following cannot be a property of a gas?  a. density  b. pressure  c. viscosity  d. temperature

Description : Which of the following cannot be a property of a gas?  a. density  b. pressure  c. viscosity  d. temperature

Last Answer : viscosity

Which is NOT an intensive property of thermodynamics?  A. Temperature  B. Mass  C. Pressure  D. Density

Description : Which is NOT an intensive property of thermodynamics?  A. Temperature  B. Mass  C. Pressure  D. Density

Last Answer : Mass

Which of the following is not a thermodynamic property?  a. Pressure  b. Temperature  c. Volume  d. Phase

Description : Which of the following is not a thermodynamic property?  a. Pressure  b. Temperature  c. Volume  d. Phase

Last Answer : Phase

Who discovered the thermodynamic property “Entropy” in 1865?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Description : Who discovered the thermodynamic property “Entropy” in 1865?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Last Answer : Second law of thermodynamics

What is constant for a substance that is considered “incompressible”?  A. Specific volume of density  B. Pressure  C. Temperature  D. All of the above

Description : What is constant for a substance that is considered “incompressible”?  A. Specific volume of density  B. Pressure  C. Temperature  D. All of the above

Last Answer : Specific volume of density

Gas being heated at constant volume is undergoing the process of.  a. isometric  b. specific heat  c. enthalpy  d. isothermal

Description : Gas being heated at constant volume is undergoing the process of.  a. isometric  b. specific heat  c. enthalpy  d. isothermal

Last Answer : isometric

The first law of thermodynamics is based on which of the following principles?  a. Conservation of mass  b. Conservation of energy  c. Action and reaction  d. The entropy-temperature relationship

Description : The first law of thermodynamics is based on which of the following principles?  a. Conservation of mass  b. Conservation of energy  c. Action and reaction  d. The entropy-temperature relationship

Last Answer : Conservation of energy

The first law of thermodynamics is based on which of the following principles?  A. Conservation of mass  B. Conservation of energy  C. Action and reaction  D. The entropy-temperature relationship

Description : The first law of thermodynamics is based on which of the following principles?  A. Conservation of mass  B. Conservation of energy  C. Action and reaction  D. The entropy-temperature relationship

Last Answer : Conservation of energy

An adiabatic process in which there is no change in system enthalpy but for which there is a significant decrease in pressure is called _____.  A. Isochoric process  B. Isobaric process  C. Throttling process  D. Quasistatic process

Description : An adiabatic process in which there is no change in system enthalpy but for which there is a significant decrease in pressure is called _____.  A. Isochoric process  B. Isobaric process  C. Throttling process  D. Quasistatic process

Last Answer : Throttling process

A gas is compressed in a cylinder by a movable piston to a volume onehalf its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be  (a) 300 Nm  (b) 300,000 Nm  (c) 30 Nm  (d) 3000 Nm  (e) 30,000 Nm.

Description : A gas is compressed in a cylinder by a movable piston to a volume onehalf its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be  (a) 300 Nm  (b) 300,000 Nm  (c) 30 Nm  (d) 3000 Nm  (e) 30,000 Nm.

Last Answer : Answer : b