All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
CO2
H2
O2
N2
Also checkout these categories
Chemical Engineering Plant Economics MCQ Problems on Ages MCQ Clock MCQ Direct and Indirect Speech MCQ Tally MCQ Hydrogen- Water and Hydrogen Peroxide MCQ Machine Input Mi-set 2 MCQ Java Programming MCQ Zoology MCQ Machine Design MCQ Angiosperms (Inflorescence, Flower and Fruit) MCQ Visual Basic .NET MCQ
- With increase in temperature, the internal energy of a substance
- It is desired to bring about a certain change in the state of a system by performing work on the system…
- An isentropic process is carried out at constant
- Requisites of a reversible process is that the
- Joule-Thomson co-efficient is defined as
- For an exothermic reaction
- Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the…
- Pick out the correct statement:
- Which of the following decreases with increase in pressure?
- In case of the decomposition of hydroiodic acid (2HI H2 + I2), addition of H2 (at equilibrium condition)…
- The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
- A refrigerator works on the principle of __________ law of thermodynamics.
- (∂T/∂P)H is the mathematical expression for
- Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.
- The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial…
- Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg…
- Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature…
- Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system…
- The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns…
- The gas law (PV = RT) is true for an __________ change.
- High pressure steam is expanded adiabatically and reversibly through a well insulated turbine, which…
- Claude's liquefaction process employs the cooling of gases by
- As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine…
- Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water)…
- At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.
- Degrees of freedom at triple point will be
- In the reaction, H2 +I2 2HI, addition of an inert gas will
- At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy…
- Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid…
- Heating of water under atmospheric pressure is an __________ process.