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A/an ____________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor?
Related MCQs
Which of the following is not correct for a reversible adiabatic process ?
Equation which relates pressure, volume and temperature of a gas is called the__________?
At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be__________?
Mollier diagram is a plot of__________?
The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the __________ temperature?
Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are__________?
In a turbine, the fluid expands almost__________?
The number of degrees of freedom at the triple point of water is__________?
The chemical potential for a pure substance is __________ its partial molal free energy?
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system__________?
Enthalpy ‘H’ is defined as__________?
The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________?
When a gas in a vessel expands, its internal energy decreases. The process involved is__________?
For a single component two phase mixture, the number of independent variable properties are__________?
Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the__________?
What is the value of ln y (where y = activity co-efficient) for ideal gases ?
What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope ?
In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by__________?
Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be__________?
Joule-Thomson co-efficient for a perfect gas is__________?
Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will__________?
The temperature at which both liquid and gas phases are identical, is called the __________ point?
If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero?
Entropy is a/an__________?
Isentropic process means a constant __________ process ?
For an ideal solution, the value of activity co-efficient is__________?
Pick out the wrong statement ?
Heat pump__________?
The equation Tds = dE – PdV applies to__________?
Throttling (Joule-Thomson effect) process is a constant __________ process?
What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?
Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is__________?
Gibbs-Duhem equation__________?
Entropy change of mixing two liquid substances depends upon the__________?
Free energy change at equilibrium is__________?
Extensive properties of a thermodynamic system depend upon the __________ of the system?
In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by__________?
Chemical potential is a/an__________?
__________ functions are exemplified by heat and work ?
Domestic refrigerator usually works on the __________ refrigeration cycle?
(1/V) (∂V/∂T)P is the mathematical expression__________?
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in__________?
In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent?
COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about__________?
The unity of Planck’s constant ‘h’ in the equation, E = hv is__________?
The value of gas constant ‘R’ is__________?
When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is__________?
Which is not a refrigerant ?
Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which__________?
Maxwell’s relation corresponding to the identity, dH = dS = Vdp + Σμi dni is__________?
A system is said to be isopiestic, if there is no __________ change?
A/an ____________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor?
A. Isolated
B. Closed
C. Open
D. None of these
Correct Answer:
Open
✔
Last Updated:
July 28, 2023