The shape of T-S diagram for Carnot Cycle is a__________________?
(A) Rectangle
(B) Rhombus
(C) Trapezoid
(D) Circle
One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?
(A) 30554
(B) 10373
(C) 4988.4
(D) 4364.9
A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is_________________?
(A) 349
(B) 651
(C) 667
(D) 1000
A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is______________?
(A) 3
(B) 4
(C) 5
(D) 6
In Joule-Thomson porous plug experiment, the__________________?
(A) Enthalpy does not remain constant
(B) Entire apparatus is exposed to surroundings
(C) Temperature remains constant
(D) None of these
There is a change in ______________ during the phase transition?
(A) Volume
(B) Pressure
(C) Temperature
(D) All a, b & c
The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________?
(A) Maxwell’s equation
(B) Thermodynamic equation of state
(C) Equation of state
(D) Redlich-Kwong equation of state
The standard Gibbs free energy change of a reaction depends on the equilibrium______________________?
(A) Pressure
(B) Temperature
(C) Composition
(D) All A,
The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x1. x2, where A is a constant. The corresponding equation for ln y1, where y1 is the activity co-efficient of component 1, is__________________?
(A) A . x22
(B) Ax1
(C) Ax2
(D) Ax12