When a gas is subjected to adiabatic expansion, it gets cooled due to Decrease in velocity Energy spent in doing work Decrease in temperature Decrease in kinetic energy TRUE ANSWER : ? YOUR ANSWER : ?
Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the Heat of formation Calorific value Heat of reaction Heat of combustion TRUE ANSWER : ? YOUR ANSWER : ?
PVy = constant, holds good for an isentropic process, which is Reversible and isothermal Adiabatic and irreversible Isothermal and irreversible Reversible and adiabatic TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following will increase the volume of a real gas by four times ? Reducing pressure to one fourth at constant temperature Reducing temperature to one fourth at constant pressure Doubling the absolute temperature as well as pressure of the gas Reducing the temperature to half and doubling the pressure TRUE ANSWER : ? YOUR ANSWER : ?
For an irreversible process involving only pressure-volume work (dF)T, p (dF)T, p = 0 (dA)T, v >0 (dF)T, p > 0 TRUE ANSWER : ? YOUR ANSWER : ?
What is the value of Joule-Thomson co-efficient for an ideal gas? ∞ +ve -ve TRUE ANSWER : ? YOUR ANSWER : ?
Degree of freedom of a system consisting of a gaseous mixture of H₂ and NH₃ will be 1 0 2 3 TRUE ANSWER : ? YOUR ANSWER : ?
The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature) 3KT/m √(3KT/m) √(2KT/m) √(6KT/m) TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not affected by temperature changes? Fugacity Free energy Activity co-efficient None of these TRUE ANSWER : ? YOUR ANSWER : ?