THERMODYNAMICS
1. A centrifugal fan forms _______ system
2. Zeroth law of thermodynamics defines _______
3. The ratio of specific heat of a gas at constant pressure and at constant volume always varies with _______
4. Internal energy of ideal gas is a function of _______ alone
5. Carnot cycle comprises _______ isothermal process and two _______ process
6. A heat engine is supplied with 300 kJ/sec of heat at 600 K and heat rejection takes place at 300 K. Heat rejected is 100 kJ/sec. The data refers to _______ cycle
7. Value of extensive properties of a system depends on _______ of the system
8. Heat and work are _______ functions
9. For a higher value of polytropic index the compressor work for a given pressure ratio is _______
10. Enthalpy of a gas depends on _______
11. Inter-cooling in an air compressor helps in _______
12. The function of providing clearance volume in a reciprocating air compressor is _______
13. One ton of refrigeration is _______
14. The refrigerant used in household refrigerator is _______
15. The entropy of the universe _______
16. The application of Gibbs Duhem equation is _______
17. The compressibility factor of an ideal gas is _______
18. What is fugacity coefficient?
19. Define Activity. Define equilibrium constant.
20. Define heat capacity. Is it path function?
21. Write two equation of state for a real fluid
22. What is the criteria of equilibrium in terms of fugacity?
23. Write Margules equation and its significance
24. Explain theoretical flame temperature
25. Define activity
26. What is an adiabatic process? Write the expression for work done during reversible adiabatic process
27. Explain thermodynamic state
28. Explain excess function
29. What are the various liquefaction processes?
30. Explain Hess law of heat summation
31. Define system and surroundings
32. What is volumetric efficiency?
33. What is the effect of inerts on equilibrium conversion?
34. What is partial molal property?
35. Define equilibrium constant
36. State Zeroth law of thermodynamics
37. Explain maximum boiling azeotropes
38. Define net value and gross value of heat of combustion
39. What is Joule-Thomson effect?
40. What are reversible and irreversible processes?
41. List out any five thermodynamic property changes for an ideal gas
42. Explain the terms 'state function' and 'path function'
43. What is an equation of state? Give the expression for any two equations of state
44. Distinguish between compression and expansion of gases
45. What is vapor-compression refrigeration cycle?
46. What is compressibility factor?
47. Define the term coefficient of performance in a refrigeration process
48. What is a multistage compression?
49. Give the classification of compression processes
50. Give the four Maxwell relations
51. What are the uses of thermodynamic formulations
52. Give any two thermodynamic relations for calculating the entropy change of a real gas
53. Define the term 'phase equilibrium'
54. What are Van Laar and Margules equations?
55. What is a thermodynamic consistency test?
56. Explain the term 'partially miscible system'
57. What are homogeneous and heterogeneous reactions?
58. What is the use of making free energy change calculations in the thermodynamic analysis of chemical reaction equilibria?
59. What is path function?
60. Explain internal energy
61. When will be the kinetic energy of molecules zero?
62. What are the various steps involved in a Carnot cycle?
63. Define entropy
64. What is compressibility factor?
65. Explain reversible process
66. What is an open system?
67. Define third law of thermodynamics
68. Explain the multistage compression
69. Define excess property
70. Explain C.O.P
71. Define one ton of refrigeration
72. Define standard heat of reaction
73. Explain equilibrium constant
74. What is heat pump?
75. Explain activity
76. State Vander Waals equation of state
77. Define chemical potential
78. What is the significance of van Laar equation?
79. What is a state function? Give examples
80. Explain enthalpy
81. What is an isolated system?
82. Define specific heat capacity
83. Explain isothermal process
84. Is entropy of the universe changing? Explain
85. What is fugacity
86. Explain Gibbs free energy
87. Explain zeroth law of thermodynamics
88. Define activity coefficient
89. What is Henry's law?
90. What is the criteria of equilibrium in terms of chemical potential?
91. Explain virial equations
92. State the properties of refrigerants
93. What is Joule Thomson effect?
94. Define heat of solution
95. What is Margules equation?
96. Define theoretical flame temperature
97. What is equilibrium?
98. Define critical temperature and critical pressure
99. State at least three equations of state for gases and discuss the general applicability of these equations.
100. What is "Compressibility factor"? What is a generalized compressibility factor chart? Construct qualitatively such a chart for low pressure range and discuss its use.
101. Explain the concept of entropy.
102. Derive Maxwell equations.
103. Derive an expression for the work involved in case of an ideal single stage reciprocating compressor having no clearance volume.
104. What do you understand by convergent, divergent and convergent-divergent nozzle? Explain their applications.
105. Explain what do you mean by available energy.
106. What do you understand by standard free energy change?
107. Derive an expression for the efficiency of a Carnot cycle.
108. With the help of temperature-entropy diagram and flow diagram, explain the working of a single stage vapor compression refrigeration system. Deduce expressions for the coefficient of performance, and horse power requirement per ton of refrigeration.
109. What is Carnot's principle? With the help of Carnot's principle, show mathematically that it is possible to define an absolute temperature scale, independent of the properties of any particular substance. How would you fix up the length of a degree in such an absolute scale of temperature?
110. What should be the desirable properties of a refrigerant for a vapor compression refrigeration system?
111. Mention the advantages of multistage compression.
112. State first law of thermodynamics and derive an energy equation for a steady state flow process.
113. Deduce Gibbs-Duhem equation in terms of activity coefficients.
114. What is meant by residual volume of a gas? Show mathematically that the residual volume of a gas does not necessarily approach zero as the temperature approaches zero along an isotherm.
115. Discuss the T-x-y, P-x-y and P'-T (vapor pressure vs temperature) diagram for binary miscible systems. How does pressure affect the T-x-y diagram?
116. Discuss Margules, Wohl and Wilson equation for estimation of activity coefficient.
117. Explain the terms fugacity, chemical potential and activity.
118. Derive the expression for volumetric efficiency in a single stage compressor.
119. Show that Van Laar equation satisfies the Gibbs-Duhem equation.
120. Discuss the effects of pressure, inerts, reactants ratio and temperature on chemical reactions.
121. What is the significance of the second law of thermodynamics with respect to transformation of energy? Briefly make a general statement of the law.
122. What is the objective of arranging for compressing air in stages with intermediate water cooling to the original atmospheric temperature? Give the usual rules for the values of the intermediate pressures in the case of (i) two stage and (ii) three stage compressor.
123. Discuss partial molal properties.
Interview Questions on Chemical Reaction Engineering Click Here
Interview Questions on Mass Transfer Operations Click Here
Interview Questions on Fluid Mechanics Click Here
Interview Questions on Transport Phenomena Click Here
No comments:
Post a Comment