1. For water, at pressures below atmospheric,
2. At very low temperature, the melting and boiling temperatures become equal. This temperature is
3. The critical pressure at which latent heat of vaporisation is zero is
4. The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is
5. The saturation temperature of steam with increase in pressure increases
6. Carbonisation of coal is the process of
7. Coke is produced by
8. Heating of dry steam above saturation temperature is known as
9. Superheating of steam is done at _____.
10. 1 kg.m is equal to _____.
11. If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to
12. Equivalent evaporation is the amount of water evaporated in a boiler from and at
13. The specific volume of steam with increase in pressure decreases ______.
14. The equivalent evaporation of a boiler is a measure to compare
15. The coal requirement per kW hour generation in the thermal power plant is of the order of
16. Sublimation region is the region where
17. Stoichiometric quantity of air is the
18. One kg of steam sample contains 0.8 kg dry steam; it's dryness fraction is
19. If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by
20. If xx and x2 be the dryess fractions obtained in separating calorimeter and throttling calorimeter respectively, then the actual dryness fraction of steam will be
21. The specific heat of superheated steam in kcal/kg is generally of the order of
22. On Mollier chart, flow through turbine is represented by _____.
23. A wet vapour can be completely specified by
24. On Millier chart, the constant pressure lines
25. On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by
26. The bituminous coal is non-caking if its carbon content is
27. The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become
28. Water at pressure of 4 kg/cm2 and 160°C temperature when exposed to atmosphere will
29. The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become
30. In a throttling process _____.
31. In a throttling process is ______?
32. The pressure at which latent heat of vaporisation of water is zero, is
33. Latent heat of dry steam at atmospneric pressure is equal to
34. The latent heat of steam with increase of pressure
35. At critical point, i.e. p=225.65 kg/cm2, the latent enthalpy of vaporisation is
36. At which pressure the properties of water and steam become identical
37. In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is
38. While steam expands in turbines, theoretically the entropy
39. Heating wet steam at constant temperature is heating it at constant _____.
40. Adiabatic process is _____.
41. The state of vapour under saturation condition is described by
42. Pick up the wrong statement about critical condition of steam
43. Water boils when its vapour pressure
45. Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to
46. Equivalent evaporation of water is the evaporation "for a feed water supply at 100°C
47. The evaporation of 15.653 kg of water per hour from and at 100°C is called
48. The increase in pressure
49. During polytropic process
50. Hygrometery deals with the_____.
51. Orsat meter is used for ______.
52. Alkaline pyrogallate is used in Orsat's apparatus for absorption of _____.
53. An ideal regenerative cycle is _____.
54. Efficiency of rankine cycle can be increased by _____.
55. Cochran boiler is a _____.
56. Lancashire 'boiler is a ______.
57. Efficiency of a thermal cycle increases by _____.
58. One kilowatt-hour energy is equivalent to _____.
59. Which of the following gases has the highest calorific value
60. 100% efficiency of a thermal cycle cannot be achieved because of
61. For burning 1 kg of carbon to CO as per chemically correct combusiton, amount of air required is
62. The diameter of Cornish boiler is of the order of
63. The lenght of Cornish boiler is of the order of
64. The diameter of fire tube of Cornish boiler compared to its shell is
65. Steam engine operates on
66. The change in internal energy in steam engines equals to
67. Water tube boilers are those in which
68. Locomotive type' boiler is _____.
69. Lancashire boiler is of
70. Fire tube boilers are those in which
71. Which of the following substance will have same percentage in both proximate and ultimate analysis
72. The number of flue tubes in Lancashire boiler is
73. Which of the following is a fire tube boiler
74. Which of the following is a water tube boiler
75. The diameter of cylindrical shell of the Lancashire boiler is of the order of
76. A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are
77. The biggest size of thermal power unit operating in India is
78. Which of the following coals has the highest calorific value
79. The high pressure boiler is oil producing steam at a pressure more than
80. The crown of the fire box is made hemispherical in order to
81. Which of the following is steam dbal
82. The fire tubes in, a Coarran and Scotish marine boiler are
83. The diameter of internal flue tubes in a Lancashire boiler compared to its shell is
84. The basic purpose of drum in boiler is to
85. Duplex feed pumps are used in small steam boilers. These operate on the principle of
86. The best suited coal for chain or travelling grate stoker boiler is
87. In natural circulation type boiler,
88. Hard coke is produced by carborisation of coal at
87. Hard coke is used in _____.
88. Pick up the correct statement as regards Cornish boiler and Lancashire boiler
89. In locomotive boiler, maximum steam pressure is limited to
90. Locomotive boiler is of the following type.
91. The shell diameter and length of locomotive boiler are
92. The diameters of fire tubes and superheaer tubes in locomotive boiler are
93. The water tubes in a babcock and wilcox boiler are
94. Which of the following varieties of coals is mostly used in steam boilers.
95. The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is
96. A boiler in India should conform to safety regulations of
97. The function of injector used in small steam plants is to ______.
98. Which of the following boilers is best suited to meet fluctuating demands.
99. The difference between cornish boiler and lancashire boiler is that _____.
100. In accelerated circulation type boiler is _____.
2. At very low temperature, the melting and boiling temperatures become equal. This temperature is
3. The critical pressure at which latent heat of vaporisation is zero is
4. The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is
5. The saturation temperature of steam with increase in pressure increases
6. Carbonisation of coal is the process of
7. Coke is produced by
8. Heating of dry steam above saturation temperature is known as
9. Superheating of steam is done at _____.
10. 1 kg.m is equal to _____.
11. If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to
12. Equivalent evaporation is the amount of water evaporated in a boiler from and at
13. The specific volume of steam with increase in pressure decreases ______.
14. The equivalent evaporation of a boiler is a measure to compare
15. The coal requirement per kW hour generation in the thermal power plant is of the order of
16. Sublimation region is the region where
17. Stoichiometric quantity of air is the
18. One kg of steam sample contains 0.8 kg dry steam; it's dryness fraction is
19. If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by
20. If xx and x2 be the dryess fractions obtained in separating calorimeter and throttling calorimeter respectively, then the actual dryness fraction of steam will be
21. The specific heat of superheated steam in kcal/kg is generally of the order of
22. On Mollier chart, flow through turbine is represented by _____.
23. A wet vapour can be completely specified by
24. On Millier chart, the constant pressure lines
25. On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by
26. The bituminous coal is non-caking if its carbon content is
27. The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become
28. Water at pressure of 4 kg/cm2 and 160°C temperature when exposed to atmosphere will
29. The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become
30. In a throttling process _____.
31. In a throttling process is ______?
32. The pressure at which latent heat of vaporisation of water is zero, is
33. Latent heat of dry steam at atmospneric pressure is equal to
34. The latent heat of steam with increase of pressure
35. At critical point, i.e. p=225.65 kg/cm2, the latent enthalpy of vaporisation is
36. At which pressure the properties of water and steam become identical
37. In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is
38. While steam expands in turbines, theoretically the entropy
39. Heating wet steam at constant temperature is heating it at constant _____.
40. Adiabatic process is _____.
41. The state of vapour under saturation condition is described by
42. Pick up the wrong statement about critical condition of steam
43. Water boils when its vapour pressure
45. Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to
46. Equivalent evaporation of water is the evaporation "for a feed water supply at 100°C
47. The evaporation of 15.653 kg of water per hour from and at 100°C is called
48. The increase in pressure
49. During polytropic process
50. Hygrometery deals with the_____.
51. Orsat meter is used for ______.
52. Alkaline pyrogallate is used in Orsat's apparatus for absorption of _____.
53. An ideal regenerative cycle is _____.
54. Efficiency of rankine cycle can be increased by _____.
55. Cochran boiler is a _____.
56. Lancashire 'boiler is a ______.
57. Efficiency of a thermal cycle increases by _____.
58. One kilowatt-hour energy is equivalent to _____.
59. Which of the following gases has the highest calorific value
60. 100% efficiency of a thermal cycle cannot be achieved because of
61. For burning 1 kg of carbon to CO as per chemically correct combusiton, amount of air required is
62. The diameter of Cornish boiler is of the order of
63. The lenght of Cornish boiler is of the order of
64. The diameter of fire tube of Cornish boiler compared to its shell is
65. Steam engine operates on
66. The change in internal energy in steam engines equals to
67. Water tube boilers are those in which
68. Locomotive type' boiler is _____.
69. Lancashire boiler is of
70. Fire tube boilers are those in which
71. Which of the following substance will have same percentage in both proximate and ultimate analysis
72. The number of flue tubes in Lancashire boiler is
73. Which of the following is a fire tube boiler
74. Which of the following is a water tube boiler
75. The diameter of cylindrical shell of the Lancashire boiler is of the order of
76. A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are
77. The biggest size of thermal power unit operating in India is
78. Which of the following coals has the highest calorific value
79. The high pressure boiler is oil producing steam at a pressure more than
80. The crown of the fire box is made hemispherical in order to
81. Which of the following is steam dbal
82. The fire tubes in, a Coarran and Scotish marine boiler are
83. The diameter of internal flue tubes in a Lancashire boiler compared to its shell is
84. The basic purpose of drum in boiler is to
85. Duplex feed pumps are used in small steam boilers. These operate on the principle of
86. The best suited coal for chain or travelling grate stoker boiler is
87. In natural circulation type boiler,
88. Hard coke is produced by carborisation of coal at
87. Hard coke is used in _____.
88. Pick up the correct statement as regards Cornish boiler and Lancashire boiler
89. In locomotive boiler, maximum steam pressure is limited to
90. Locomotive boiler is of the following type.
91. The shell diameter and length of locomotive boiler are
92. The diameters of fire tubes and superheaer tubes in locomotive boiler are
93. The water tubes in a babcock and wilcox boiler are
94. Which of the following varieties of coals is mostly used in steam boilers.
95. The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is
96. A boiler in India should conform to safety regulations of
97. The function of injector used in small steam plants is to ______.
98. Which of the following boilers is best suited to meet fluctuating demands.
99. The difference between cornish boiler and lancashire boiler is that _____.
100. In accelerated circulation type boiler is _____.
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