What is defined as the ratio of the change in temperature to the change in pressure when a real gas is throttled?  A. Rankine coefficient  B. Kelvin coefficient  C. Maxwell-Boltzmann coefficient  D. Joule-Thomson coefficient

What is defined as the ratio of the change in temperature to the change in pressure when a real gas is throttled?  A. Rankine coefficient  B. Kelvin coefficient  C. Maxwell-Boltzmann coefficient  D. Joule-Thomson coefficient
by

1 Answer

Answer :

Joule-Thomson coefficient
by

Related questions

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

“The total volume of a mixture of non-reacting gases is equal to the sum of the partial volumes.” This statement is known as ______.  A. Law of Dulong and Petit  B. Maxwell-Boltzmann law  C. Amagat’s law  D. Avogadro’s law

Description : “The total volume of a mixture of non-reacting gases is equal to the sum of the partial volumes.” This statement is known as ______.  A. Law of Dulong and Petit  B. Maxwell-Boltzmann law  C. Amagat’s law  D. Avogadro’s law

Last Answer : Amagat’s law

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

What is the Si unit for temperature?  a. Kelvin  b. Celsius  c. Fahrenheit  d. Rankine

Description : What is the Si unit for temperature?  a. Kelvin  b. Celsius  c. Fahrenheit  d. Rankine

Last Answer : Kelvin

What statement of the second law of thermodynamics states that it is impossible to build a device that operates in a cycle and produces no effect other than the transfer of heat from a lower-temperature body to a higher-temperature body?  A. Kelvin-Planck statement  B. Clausius statement  C. Kelvin statement  D. Rankine statement

Description : What statement of the second law of thermodynamics states that it is impossible to build a device that operates in a cycle and produces no effect other than the transfer of heat from a lower- ... A. Kelvin-Planck statement  B. Clausius statement  C. Kelvin statement  D. Rankine statement

Last Answer : Clausius statement

What is the thermodynamic temperature scale in the English system?  A. Kelvin scale  B. Celsius scale  C. Fahrenheit scale  D. Rankine scale

Description : What is the thermodynamic temperature scale in the English system?  A. Kelvin scale  B. Celsius scale  C. Fahrenheit scale  D. Rankine scale

Last Answer : Rankine scale

What is the thermodynamic temperature scale in the SI system?  A. Kelvin scale  B. Celsius scale  C. Fahrenheit scale  D. Rankine scale

Description : What is the thermodynamic temperature scale in the SI system?  A. Kelvin scale  B. Celsius scale  C. Fahrenheit scale  D. Rankine scale

Last Answer : Kelvin scale

The unit of temperature in S.I. units is  (a) Centigrade  (b) Celsius  (c) Fahrenheit  (d) Kelvin  (e) Rankine.

Description : The unit of temperature in S.I. units is  (a) Centigrade  (b) Celsius  (c) Fahrenheit  (d) Kelvin  (e) Rankine.

Last Answer : Answer : d

Who coined the word “energy” in 1807?  A. William Rankine  B. Rudolph Clausius  C. Kelvin  D. Thomas Young

Description : Who coined the word “energy” in 1807?  A. William Rankine  B. Rudolph Clausius  C. Kelvin  D. Thomas Young

Last Answer : Thomas Young

The term “thermodynamics” was first used in 1849 in the publication of a  A. Rudolph Clausius  B. William Rankine  C. **** Kelvin  D. Thomas Savery

Description : The term “thermodynamics” was first used in 1849 in the publication of a  A. Rudolph Clausius  B. William Rankine  C. Kelvin  D. Thomas Savery

Last Answer : Kelvin

Which of the following cycles has maximum efficiency  (a) Rankine  (b) Stirling  (c) Carnot  (d) Brayton  (e) Joule.

Description : Which of the following cycles has maximum efficiency  (a) Rankine  (b) Stirling  (c) Carnot  (d) Brayton  (e) Joule.

Last Answer : Answer : c

Reversed joule cycle is called  (a) Carnot cycle  (b) Rankine cycle  (c) Brayton cycle  (d) Bell Coleman cycle  (e) Dual cycle.

Description : Reversed joule cycle is called  (a) Carnot cycle  (b) Rankine cycle  (c) Brayton cycle  (d) Bell Coleman cycle  (e) Dual cycle.

Last Answer : Answer : c

Thermal power plant works on  (a) Carnot cycle  (b) Joule cycle  (d) Rankine cycle  (d) Otto cycle  (e) Brayton cycle.

Description : Thermal power plant works on  (a) Carnot cycle  (b) Joule cycle  (d) Rankine cycle  (d) Otto cycle  (e) Brayton cycle.

Last Answer : Answer : c

Who coined the word energy?  a. James Joule  b. Thomas Young  c. Rudolf Diesel  d. Kelvin

Description : Who coined the word energy?  a. James Joule  b. Thomas Young  c. Rudolf Diesel  d. Kelvin

Last Answer : Thomas Young

Entropy is measured in ______.  A. Joule/Kelvin  B. Joule-Meter/Kelvin  C. Meter/Kelvin  D. Newton/Kelvin

Description : Entropy is measured in ______.  A. Joule/Kelvin  B. Joule-Meter/Kelvin  C. Meter/Kelvin  D. Newton/Kelvin

Last Answer : Joule/Kelvin

Wet steam at 1 MPa flowing through a pipe is throttled to a pressure of 0.1 MPa. If the throttling temperature is110°C, What is the quality of the steam in the pipe?  a) 96%  b) 86%  c) 76%  d) 66%

Description : Wet steam at 1 MPa flowing through a pipe is throttled to a pressure of 0.1 MPa. If the throttling temperature is110°C, What is the quality of the steam in the pipe?  a) 96%  b) 86%  c) 76%  d) 66%

Last Answer : 96%

Steam is throttled to 0.1 MPa with 20 degrees of superheat. (a) What is the quality of throttled steam if its pressure is 0.75 MPa (b) What is the enthalpy of the process?  a) 97.6%,2713 kJ/kg  b) -97.6%, 2713 kJ/kg  c) 87.6%,3713 kJ/kg  d) -87.6%, 3713 kJ/kg

Description : Steam is throttled to 0.1 MPa with 20 degrees of superheat. (a) What is the quality of throttled steam if its pressure is 0.75 MPa (b) What is the enthalpy of the process?  a) 97.6%,2713 kJ/kg  b) -97.6%, 2713 kJ/kg  c) 87.6%,3713 kJ/kg  d) -87.6%, 3713 kJ/kg

Last Answer : 97.6%,2713 kJ/kg

The volume of an ideal gas is directly proportional to its  a. pressure  b. Celsius temperature  c. Kelvin temperature  d. Fahrenheit temperature

Description : The volume of an ideal gas is directly proportional to its  a. pressure  b. Celsius temperature  c. Kelvin temperature  d. Fahrenheit temperature

Last Answer : Kelvin temperature

The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called  A.specific heat at constant volume  B.specific heat at constant pressure  C.kilo Joule  D.none of these

Description : The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called  A.specific heat at constant volume  B.specific heat at constant pressure  C.kilo Joule  D.none of these

Last Answer : Answer: A

The distribution of particle speeds in an ideal gas at a given temperature.  a. velocity of propagation  b. escape velocity  c. Maxwell speed Distribution  d. terminal velocity

Description : The distribution of particle speeds in an ideal gas at a given temperature.  a. velocity of propagation  b. escape velocity  c. Maxwell speed Distribution  d. terminal velocity

Last Answer : Maxwell speed Distribution

Which of the following is standard temperature and pressure (STP)?  A. 0 degree Celsius and one atmosphere  B. 32 degree Fahrenheit and zero pressure  C. 0 degree Kelvin and one atmosphere  D. 0 degree Fahrenheit and zero pressure

Description : Which of the following is standard temperature and pressure (STP)?  A. 0 degree Celsius and one atmosphere  B. 32 degree Fahrenheit and zero pressure  C. 0 degree Kelvin and one atmosphere  D. 0 degree Fahrenheit and zero pressure

Last Answer : 0 degree Celsius and one atmosphere

If the Kelvin temperature of an ideal gas is doubled, what happens to the rms speed of the molecules in the gas?  a. it increases by a factor of square root of 2  b. it increases by a factor of 2  c. it increases by factor of 4  d. none of the above

Description : If the Kelvin temperature of an ideal gas is doubled, what happens to the rms speed of the molecules in the gas?  a. it increases by a factor of square root of 2  b. it increases by a factor of 2  c. it increases by factor of 4  d. none of the above

Last Answer : it increases by a factor of square root of 2

What temperature scale is identical to the Kelvin scale?  A. Ideal gas temperature scale  B. Ideal temperature scale  C. Absolute gas temperature scale  D. Triple point temperature scale

Description : What temperature scale is identical to the Kelvin scale?  A. Ideal gas temperature scale  B. Ideal temperature scale  C. Absolute gas temperature scale  D. Triple point temperature scale

Last Answer : Ideal gas temperature scale

Convert the change of temperature from 20˚C to 30˚C to Kelvin scale.  a. 10 K  b. 293 K  c. 303 K  d. 273 K

Description : Convert the change of temperature from 20˚C to 30˚C to Kelvin scale.  a. 10 K  b. 293 K  c. 303 K  d. 273 K

Last Answer : 10 K

What is sometimes known as the “Fourth-power law”?  A. Kirchhoff’s radiation law  B. Newton’s law of cooling  C. Stefan-Boltzmann law  D. Hess’s law

Description : What is sometimes known as the “Fourth-power law”?  A. Kirchhoff’s radiation law  B. Newton’s law of cooling  C. Stefan-Boltzmann law  D. Hess’s law

Last Answer : Stefan-Boltzmann law

The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that  (a) carnot cycle can’t work with saturated steam  (b) heat is supplied to water at temperature below the maximum temperature of the cycle  (c) a rankine cycle receives heat at two places  (d) rankine cycle is hypothetical  (e) none of the above.

Description : The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that  (a) carnot cycle can't work with saturated steam  (b) heat is supplied to water at temperature ... heat at two places  (d) rankine cycle is hypothetical  (e) none of the above.

Last Answer : Answer : b

Universal gas constant is defined as equal to product of the molecular weight of the gas and  (a) specific heat at constant pressure  (b) specific heat at constant volume  (c) ratio of two specific heats  (d) gas constant  (e) unity.

Description : Universal gas constant is defined as equal to product of the molecular weight of the gas and  (a) specific heat at constant pressure  (b) specific heat at constant volume  (c) ratio of two specific heats  (d) gas constant  (e) unity.

Last Answer : Answer : d

Joule-Thomson co-efficient is the ratio of (A) Pressure change to temperature change occuring during adiabatic compression of a gas (B) Pressure change to temperature change occuring during adiabatic throttling of a gas (C) Temperature change to pressure change occuring during adiabatic compression of a gas (D) Temperature change to pressure change occuring during adiabatic throttling of a gas

Description : Joule-Thomson co-efficient is the ratio of (A) Pressure change to temperature change occuring during adiabatic compression of a gas (B) Pressure change to temperature change occuring during adiabatic ... a gas (D) Temperature change to pressure change occuring during adiabatic throttling of a gas

Last Answer : (D) Temperature change to pressure change occuring during adiabatic throttling of a gas

_____________ is the base unit of thermodynamics temperature.  a) Celsius  b) Fahrenheit  c) Kelvin  d) None of the above

Description : _____________ is the base unit of thermodynamics temperature.  a) Celsius  b) Fahrenheit  c) Kelvin  d) None of the above

Last Answer : Kelvin

_________ is the unit of pressure and stress.  a) Newton  b) Pascal  c) Hertz  d) Joule

Description : _________ is the unit of pressure and stress.  a) Newton  b) Pascal  c) Hertz  d) Joule

Last Answer : Pascal

A cycle consisting of two adiabatics and two constant pressure processes is known as  (a) Otto cycle  (b) Ericsson cycle  (c) Joule cycle  (d) Stirling cycle  (e) Atkinson cycle.

Description : A cycle consisting of two adiabatics and two constant pressure processes is known as  (a) Otto cycle  (b) Ericsson cycle  (c) Joule cycle  (d) Stirling cycle  (e) Atkinson cycle.

Last Answer : Answer : c

_________ 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

The amount of heat required to raise the temperature of 1 pound of water by 1°F is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Description : The amount of heat required to raise the temperature of 1 pound of water by 1°F is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Last Answer : BTU

The amount of heat required to raise the temperature of 1kg of water through 1 °C is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Description : The amount of heat required to raise the temperature of 1kg of water through 1 °C is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Last Answer : Kilocalorie

The compressibility factor, x, is used for predicting the behavior of nonideal gases. How is the compressibility ty factor defined relative to an ideal gas? (subscript “c”refers to critical value)  A. z = P / Pc  B. z = pV/ RT  C. z = T /Tc  D. z = RT / pV Hint: for an real gases the compressibility factor, x, is an dimensionless constant given by pV=zRT. Therefore z = pV / RT

Description : The compressibility factor, x, is used for predicting the behavior of nonideal gases. How is the compressibility ty factor defined relative to an ideal gas? (subscript c refers to critical value)  A. ... compressibility factor, x, is an dimensionless constant given by pV=zRT. Therefore z = pV / RT

Last Answer : z = pV/ RT

Which of the following is used in thermal power plant?  a. Brayton cycle  b. Reversed carnot cycle  c. Rankine cycle  d. Otto cycle

Description : Which of the following is used in thermal power plant?  a. Brayton cycle  b. Reversed carnot cycle  c. Rankine cycle  d. Otto cycle

Last Answer : Rankine cycle

Which of the following best describes both Stirling and Ericson engines?  a. Internal combustion engine  b. External combustion engine  c. Diesel cycle  d. Rankine cycle

Description : Which of the following best describes both Stirling and Ericson engines?  a. Internal combustion engine  b. External combustion engine  c. Diesel cycle  d. Rankine cycle

Last Answer : External combustion engine

Which of the following cycle is used in vapor cycle power plant?  a. Brayton cycle  b. Diesel cycle  c. Ericson cycle  d. Rankine cycle

Description : Which of the following cycle is used in vapor cycle power plant?  a. Brayton cycle  b. Diesel cycle  c. Ericson cycle  d. Rankine cycle

Last Answer : Rankine cycle

It is impossible for any process to have as its sole result the transfer of heat from a cooler to a hotter body  a. Carnot’s statement  b. Clausius statement  c. Rankine statement  d. Gauss statement

Description : It is impossible for any process to have as its sole result the transfer of heat from a cooler to a hotter body  a. Carnot’s statement  b. Clausius statement  c. Rankine statement  d. Gauss statement

Last Answer : Clausius statement

Which statement of the second law of thermodynamics states that no heat engine can have a thermal efficiency of 100 percent?  A. Kelvin-Planck statement  B. Clausius statement  C. Kevin statement  D. Rankine statement

Description : Which statement of the second law of thermodynamics states that no heat engine can have a thermal efficiency of 100 percent?  A. Kelvin-Planck statement  B. Clausius statement  C. Kevin statement  D. Rankine statement

Last Answer : Kelvin-Planck statement

In case of an ideal gas, Joule Thomson coefficient is -

Description : In case of an ideal gas, Joule Thomson coefficient is -

Last Answer : In case of an ideal gas, Joule Thomson coefficient is - A. Zero B. Positive C. Negative D. Infinite

Who coined the word Entropy?  a. Rudolf Clausius  b. Kelvin  c. Gabriel Volks  d. Rudolf Diesel

Description : Who coined the word Entropy?  a. Rudolf Clausius  b. Kelvin  c. Gabriel Volks  d. Rudolf Diesel

Last Answer : Rudolf Clausius

It is generally accepted as a law of nature that although one may closely approach 0 Kelvin it is impossible actually to reach it.  a. First Law of thermodynamics  b. Second Law of thermodynamics  c. Third Law of thermodynamics  d. Zeroth Law of thermodynamics

Description : It is generally accepted as a law of nature that although one may closely approach 0 Kelvin it is impossible actually to reach it.  a. First Law of thermodynamics  b. Second Law of thermodynamics  c. Third Law of thermodynamics  d. Zeroth Law of thermodynamics

Last Answer : Third Law of thermodynamics

Kelvin-Planck’s law deals with  A. conservation of work  B. conservation of heat  C. conversion of heat into work  D. conversion of work into heat

Description : Kelvin-Planck’s law deals with  A. conservation of work  B. conservation of heat  C. conversion of heat into work  D. conversion of work into heat

Last Answer : Answer: C

When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Kelvin Planck’s law

Description : When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Kelvin Planck’s law

Last Answer : A. Zeroth law of thermodynamics

Kelvin Planck’s law deals with  (a) conservation of heat  (b) conservation of work  (c) conversion of heat into work  (d) conversion fo work into heat  (e) conservation of mass.

Description : Kelvin Planck’s law deals with  (a) conservation of heat  (b) conservation of work  (c) conversion of heat into work  (d) conversion fo work into heat  (e) conservation of mass.

Last Answer : Answer : c

The state of a thermodynamic system is always defined by its:  a. Absolute temperature  b. process  c. properties  d. temperature and pressure

Description : The state of a thermodynamic system is always defined by its:  a. Absolute temperature  b. process  c. properties  d. temperature and pressure

Last Answer : properties

The coefficient of performance (COP) is the ratio between the:  A. Power consumption in watts and heat absorbed per hour  B. Heat absorbed per hour and the power consumption in watts  C. Work required and the absorbed heat  D. Absorbed heat and work required

Description : The coefficient of performance (COP) is the ratio between the:  A. Power consumption in watts and heat absorbed per hour  B. Heat absorbed per hour and the power consumption in watts  C. Work required and the absorbed heat  D. Absorbed heat and work required

Last Answer : Absorbed heat and work required

Which one is the correct relation between energy efficiency ratio (EER) and coefficient of performance (COP)?  A. EER = 2.34 COP  B. EER = 3.24 COP  C. EER = 3.42 COP  D. EER = 4.23 COP

Description : Which one is the correct relation between energy efficiency ratio (EER) and coefficient of performance (COP)?  A. EER = 2.34 COP  B. EER = 3.24 COP  C. EER = 3.42 COP  D. EER = 4.23 COP

Last Answer : EER = 3.42 COP