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.Management Sciences
Category: Thermodynamics for Chemical
_____________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low?
0
A. Bucket
B. Throttling
C. Separating
D. A combination of separating & throttling
There is a change in ______________ during the phase transition?
A. Volume
B. Pressure
C. Temperature
D. All a, b & c
Refrigeration capacity of a household refrigerator may be round about _____________ tons?
A. 0.15
B. 1.5
C. 4.5
D. 6.5
The partial pressure of each constituent present in an alloy is _____________ the total vapor pressure exerted by the alloy?
A. Less than
B. Equal to
C. More than
D. Either B. or C; depends on the type of alloy
The standard Gibbs free energy change of a reaction depends on the equilibrium______________________?
A. Pressure
B. Temperature
C. Composition
D. All A, B. and C
Charles’ law for gases states that__________________?
A. V/T = Constant
B. V ∝ 1/T
C. V ∝ 1/P
D. PV/T = Constant
“The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture”. This is__________________?
A. The statement as per Gibbs-Helmholtz
B. Called Lewis-Randall rule
C. Henry’s law
D. None of these
A Carnot cycle consists of the following steps ?
A. Two isothermal and two isentropic
B. Two isobaric and two isothermal
C. Two isochoric and two isobaric
D. Two isothermals and two isochoric
Which of the following is not correct for a reversible adiabatic process ?
A. TVγ-1 = constant
B. p1-γ.TY = constant
C. PVγ = constant
D. None of these
The variation of heat of reaction with temperature at constant pressure is given by the ____________ law?
A. Kelvin’s
B. Antoine’s
C. Kirchoff’s
D. None of these
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