1. Which of the following variables controls the physical properties of a perfect gas
2. Which qf the following laws is applicable for the behavior of a perfect gas
3. The unit of temperature in S.I. units is
4. The unit of mass in S.I. units is
5. The unit of time in S.I. units is
6. The unit of length in S.I. units is
7. The unit of energy in S.I. units is
8. According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as
9. An ideal gas as compared to a real gas at very high pressure occupies
10. General gas equation is
11. According to Dalton's law, the total pres sure of the mixture of gases is equal to
12. Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits.
13. The unit of pressure in S.I. units is
14. A closed system is one in which
15. Temperature of a gas is produced due to
16. According to kinetic theory of gases, the absolute zero temperature is attained when
17. Kinetic theory of gases assumes that the collisions between the molecules are
18. The pressure'of a gas in terms of its mean kinetic energy per unit volume E is equal to
19. Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to
20. Superheated vapour behaves
21. Absolute zero pressure will occur
22. No liquid can exist as liquid at
23. The unit of power in S.I. units is
24. The condition of perfect vacuum, i.e., absolute zero pressure can be attained at
25. Intensive property of a system is one whose value
26. Specific heat of air at constant pressure is equal to
27. Characteristic gas constant of a gas is equal to
28. The behaviour of gases can be fully determined by
29. The ratio of two specific heats of air is equal to
30. Boyle's law i.e. pV = constant is applicable to gases under
31. Which law states that the internal energy of a gas is a function of temperature
32. The same volume of all gases would represent their
33. Which law states that the specific heat of a gas remains constant at all temperatures and pressures
34. An open system is one in which
35. According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant
36. Gases have
37. According to Avogadro's Hypothesis
38. Extensive property of a system is one whose value
39. Work done in a free expansion process is
40. The statement that molecular weights of all gases occupy the same volume is known as
41. To convert volumetric analysis to gravimeter analysis, the relative volume of each constituent of the flue gases is
42. If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to
43. An isolated system is one in which
44. Properties of substances like pressure, temperature and density, in thermodynamic coordinates are
45. Which of the following quantities is not the property of the system
46. According to Avogadro's law, for a given pressure and temperature, each molecule of a gas
47. Mixture of ice and water form a
48. Which of the following is the property of a system
49. On weight basis, air contains following parts of oxygen
50. Which of the following is not the intensive property
51. Which of the following items is not a path function
52. Work done in an adiabatic process between a given pair of end states depends on
53. Heat and work are
54. Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure
55. The value of n = 1 in the polytropic process indicates it to be
56. Solids and liquids have
57. A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is
58. In a Carnot cycle, heat is transferred at
59. If value of n is infinitely large in a polytropic process pV" = C, then the process is known as constant
60. The index of compression n tends to reach ratio of specific heats y when
61. Change in enthalpy of a system is the heat supplied at
62. The term N.T.P. stands for
63. A heat exchange process in which the product of pressure and volume remains constant is known as
64. In an isothermal process, the internal energy of gas molecules
65. Zeroth law of thermodynamics
66. If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be
67. The basis for measuring thermodynamic property of temperature is given by
68. One watt is equal to
69. Work done is zero for the following process
70. For which of the following substances, the gas laws can be used with minimum error
71. In a non-flow reversible process for which p = (- 3V+ 15) x 105N/m2,V changes from 1 m to 2 m3. The work done will be about
72. The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is
73. On volume basis, air contains following parts of oxygen
74. Universal gas constant is defined as equal to product of the molecular weight of the gas and
75. The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is
76. For which of the following substances, the internal energy and enthalpy are the functions of temperature only
77. In a free expansion process
78. If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as
79. If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called
80. Which of the following processes are thermodynamically reversible
81. Which of the following processes is irreversible process
82. In order that a cycle be reversible, following must be satisfied
83. For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be
84. Minimum work in compressor is possible when the value of adiabatic index n is equal to
85. Molecular volume of any perfect gas at 600 x 103 N/m2 and 27°C will be
86. A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be
87. The more effective way of increasing efficiency of Carnot engine is to
88. Entropy change depends on
89. For reversible adiabatic process, change in entropy is
90. Isochoric process is one in which
91. According to first law of thermodynamics
92. Energy can neither be created nor destroyed but can be converted from one form to other is inferred from
93. First law of thermodynamics furnishes the relationship between
94. Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant
95. In an isothermal process, the internal energy
96. Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant
97. According to first law of thermodynamics
98. Total heat of a substance is also known as
99. First law of thermodynamics
100. Addition of heat at constant pressure to a gas results in
101. Carnot cycle has maximum efficiency for
102. Measurement of temperature is based on
103. Carnot cycle efficiency depends upon
104. Carnot cycle efficiency is maximum when
105. An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be
106. If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly
107. If a system after undergoing a series of processes, returns to the initial state then
108. Which of the following represents the perpetual motion of the first kind
109. An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is
110. A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. H is claim is
2. Which qf the following laws is applicable for the behavior of a perfect gas
3. The unit of temperature in S.I. units is
4. The unit of mass in S.I. units is
5. The unit of time in S.I. units is
6. The unit of length in S.I. units is
7. The unit of energy in S.I. units is
8. According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as
9. An ideal gas as compared to a real gas at very high pressure occupies
10. General gas equation is
11. According to Dalton's law, the total pres sure of the mixture of gases is equal to
12. Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits.
13. The unit of pressure in S.I. units is
14. A closed system is one in which
15. Temperature of a gas is produced due to
16. According to kinetic theory of gases, the absolute zero temperature is attained when
17. Kinetic theory of gases assumes that the collisions between the molecules are
18. The pressure'of a gas in terms of its mean kinetic energy per unit volume E is equal to
19. Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to
20. Superheated vapour behaves
21. Absolute zero pressure will occur
22. No liquid can exist as liquid at
23. The unit of power in S.I. units is
24. The condition of perfect vacuum, i.e., absolute zero pressure can be attained at
25. Intensive property of a system is one whose value
26. Specific heat of air at constant pressure is equal to
27. Characteristic gas constant of a gas is equal to
28. The behaviour of gases can be fully determined by
29. The ratio of two specific heats of air is equal to
30. Boyle's law i.e. pV = constant is applicable to gases under
31. Which law states that the internal energy of a gas is a function of temperature
32. The same volume of all gases would represent their
33. Which law states that the specific heat of a gas remains constant at all temperatures and pressures
34. An open system is one in which
35. According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant
36. Gases have
37. According to Avogadro's Hypothesis
38. Extensive property of a system is one whose value
39. Work done in a free expansion process is
40. The statement that molecular weights of all gases occupy the same volume is known as
41. To convert volumetric analysis to gravimeter analysis, the relative volume of each constituent of the flue gases is
42. If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to
43. An isolated system is one in which
44. Properties of substances like pressure, temperature and density, in thermodynamic coordinates are
45. Which of the following quantities is not the property of the system
46. According to Avogadro's law, for a given pressure and temperature, each molecule of a gas
47. Mixture of ice and water form a
48. Which of the following is the property of a system
49. On weight basis, air contains following parts of oxygen
50. Which of the following is not the intensive property
51. Which of the following items is not a path function
52. Work done in an adiabatic process between a given pair of end states depends on
53. Heat and work are
54. Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure
55. The value of n = 1 in the polytropic process indicates it to be
56. Solids and liquids have
57. A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is
58. In a Carnot cycle, heat is transferred at
59. If value of n is infinitely large in a polytropic process pV" = C, then the process is known as constant
60. The index of compression n tends to reach ratio of specific heats y when
61. Change in enthalpy of a system is the heat supplied at
62. The term N.T.P. stands for
63. A heat exchange process in which the product of pressure and volume remains constant is known as
64. In an isothermal process, the internal energy of gas molecules
65. Zeroth law of thermodynamics
66. If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be
67. The basis for measuring thermodynamic property of temperature is given by
68. One watt is equal to
69. Work done is zero for the following process
70. For which of the following substances, the gas laws can be used with minimum error
71. In a non-flow reversible process for which p = (- 3V+ 15) x 105N/m2,V changes from 1 m to 2 m3. The work done will be about
72. The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is
73. On volume basis, air contains following parts of oxygen
74. Universal gas constant is defined as equal to product of the molecular weight of the gas and
75. The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is
76. For which of the following substances, the internal energy and enthalpy are the functions of temperature only
77. In a free expansion process
78. If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as
79. If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called
80. Which of the following processes are thermodynamically reversible
81. Which of the following processes is irreversible process
82. In order that a cycle be reversible, following must be satisfied
83. For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be
84. Minimum work in compressor is possible when the value of adiabatic index n is equal to
85. Molecular volume of any perfect gas at 600 x 103 N/m2 and 27°C will be
86. A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be
87. The more effective way of increasing efficiency of Carnot engine is to
88. Entropy change depends on
89. For reversible adiabatic process, change in entropy is
90. Isochoric process is one in which
91. According to first law of thermodynamics
92. Energy can neither be created nor destroyed but can be converted from one form to other is inferred from
93. First law of thermodynamics furnishes the relationship between
94. Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant
95. In an isothermal process, the internal energy
96. Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant
97. According to first law of thermodynamics
98. Total heat of a substance is also known as
99. First law of thermodynamics
100. Addition of heat at constant pressure to a gas results in
101. Carnot cycle has maximum efficiency for
102. Measurement of temperature is based on
103. Carnot cycle efficiency depends upon
104. Carnot cycle efficiency is maximum when
105. An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be
106. If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly
107. If a system after undergoing a series of processes, returns to the initial state then
108. Which of the following represents the perpetual motion of the first kind
109. An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is
110. A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. H is claim is
