the-blue-book-terms-part 2-101 to 200.pptx

blue-book-terms-p2-101-

1. 101-200 Blue book terms part 2

2. A cycle typically used in paper mills, textile mills, chemical factories, sugar factories and rice mills Cogeneration cycle Combined cycles By-products cycle Cascading cycle

3. When process steam is basic need and power is byproduct, this cycle is known as Cogeneration cycle Combined cycle By-product cycle Cascading cycle

4. A type of turbine employed where steam continuously extracted for process heating Back-pressure turbine Gas turbine Steam turbine Passout turbine

5. Which of the following is used for binary cycle power generation for high temperature application? Mercury Sodium Potassium All of these

6. Critical temperature of mercury is 1160 c 1260 c 1360 c 1460 c

7. Critical pressure of mercury is 100 MPa 108 Mpa 128 Mpa 158 MPa

8. Method used in converting heat directly to electricity by magnetism Electromagnetic induction Magnetodynamic Magnetohydrodynamic Thermoelectric

9. Which of the following is not a material used for thermoelectric elements Bismuth telluride Lead telluride Zinc telluride Germanium

10. a type of coal formed after anthracite Lignite Bituminous Peat Graphite

11. Which of the following is lowest grade of coal? Peat Lignite Sub- bituminous Bituminous

12. which of the following helps in the ignition of coal? Moisture Ash Fixed carbon Volatile matter

13. Is the ratio of fixed carbon and volatile matter. Air-fuel ratio Fuel ratio Combustion ratio Carbon-volatile ratio

14. A suspension of a finely divide fluid in another. Filtration Floatation Emulsion Separation

15. Contains 90% gasoline and 10% ethanol. Gasohol Gasonol Gasothanol Gasethanol

16. Process used commercially in coal liquefaction. Tropsch process Fisher process Fisher- tropsch process Mitch- tropsch process

17. Is an organic matter produced by plants in both land and water. Bio-ethanol Biomass Petroleum Biogradable

18. In thermal power plant, induced draft fans are located at the Exit of furnace Foot of the stack Above the stock Top of the stack

19. Known as drum less boiler. La Mont boiler Fire tube boiler Force circulation boiler Once-through boiler

20. Reduces the steam temperature by spraying low temperature water from boiler drum. Reheater Preheater Desuperheater Superheater

21. Carbon dioxide can be removed by: Deaeration Aeration Evaporation Vaporization

22. Is often used to absorb silica from water. Sorbent Rectifier Silica gel Magnesium hydroxide

23. Presence of excess hydrogen ions makes the water Acidic Alkalinity Base Hydroxicity

24. PH of water varies with Pressure Temperature Density Volume

25. Ph value of ______ is usually maintained for boiler water to minimized corrosion. 8.5 9.5 10.5 11.5

26. What type of turbine that has a degree of reaction of ½? Impulse turbine Reaction turbine Rarsons turbine Deriaz turbine

27. Tranquil flow must always occur Above the normal depth Above the critical depth Below the normal depth Below the critical depth

28. Which of the following head loss coefficient among the following types of entrance? Bell mouth Square edge Reentrant It depends

29. What waste treatment method involves of algae from stabilization pond effluents? Sedimentation Floatation Filtration Microscreening

30. The number of nozzles will depend on the quantity of steam required by the turbine. If nozzles occupy the entire arc of the ring, the turbine is said to have: Partially full peripheral admission One-half peripheral admission Maximum peripheral admission Full peripheral admission

31. Tandem compound units may also have two low-pressure castings that produces: Single flow Double flow Triple flow Quadruple flow

32. A type of turbine used for driving pumps, fans, and other auxiliaries in power plant commonly operate at exhaust pressure approximating atmospheric. Tandem compound turbine Passout turbine Cross-compound turbine Back pressure turbine

33. A governor with 0% regulation is termed as: Isochronous governor Synchronous governor Isenchronous governor Isobarnous governor

34. The speed regulation for most turbine-generators is adjustable from: 2 to 6% 4 to 8% 6 to 10% 8 to 12 %

35. Poppet valves of steam turbine are used for extraction pressure of: 20 to 120 psig 20 to 150 psig 20 to 130 psig 20 to 140 psig

36. When both bearings of steam engines are on one side of the of the connecting rod, the engine is referred to as: Center-crank engine Side crank engine Under crank engine Standard crank engine

37. When the valve in steam engine is in mid-position of its travel, it will cover the steam port by an amount known Steam lap Partial lap Full lap Angular lap

38. A type of governor in steam engine that do not control the actual admission of steam to the cylinder but controls the pressure of the steam. Flyball governor Variable cut-off governor Throttling governor Shaft governor

39. By inter-cooling using two stage compressor of Brayton cycle, the backwork ratio will: Increase Decrease Remains constant None of these

40. On dynamic similitude, the relation which represents the ratio of inertia force to pressure force is: Froude number Cauchy number Euler number Reynolds number

41. What is the maximum velocity in a sewer flowing full? 0.6 m/sec 0.9 m/sec 1.2 m/sec 1.8 m/sec

42. A temporary structure constructed to exclude water from the side of the foundation during its excavation and construction is called. Calsson Retaining wall Coffer dam Earth dam

43. Which is not a physical characteristic of water? Total suspended and dissolve solids Tubidity Color Hardness

44. Which dam is best for weak foundation? Gravity Arch Buttress Earth

45. What is the volume of water which will drain freely from the aquifer? Specific yield Reservoir yield Safe yield Secondary yield

46. What is the line defined by the water level in a group of artesian wells? Water table Peizometric surface Specific yield All of the above

47. Select the one that is a positive indication of pollution of a river. Acidity Oxygen content Chloride content Nitrite content

48. The cooling water is made to fall in series of baffles to expose large surface area for steam led from below to come in direct contact. Spray condenser Surface condenser Jet condenser Barometric condenser

49. Show the variation of river flow (discharge) with time Hydrograph Hyctograph Mass curve Flow duration curve

50. Is an open channel erected on a surface above the ground. Canal Tunnel Pentstock Flume

51. Type of turbine used up to 300 m head Impulse turbine Francis turbine Propeller turbine Deriaz turbine

52. A turbine that has a diagonal flow Impulse turbine Francis turbine Propeller turbine Deriaz turbine

53. Oil is atomized either by air blast or pressure jet at about 60 bar 70 bar 80 bar 90 bar

54. Type of solid injection that use single pump supplies fuel under high pressure to a fuel header. Common rail injection Individual pump injection system Distributor system Single rail injection

55. Water flow in diesel engine that is caused by density differential. Thermosiphon cooling Thermostat cooling Pressure water cooling Evaporative cooling

56. Type of lubrication system in diesel engine in which oil from pump is carried to a separate storage tank outside the engine cylinder and used for high capacity engine. Mist lubrication system Wet sump lubrication Splash system Dry sump lubrication system

57. Produces extreme pressure differentials and violent gas vibration. Vibration Detonation Explosion Knocking

58. In a spark ignition engine, detonation occurs near the ___________. End of combustion Middle combustion Beginning of combustion Beginning of interaction

59. In a compression ignition engine, the detonation occurs near the ________. End of combustion Middle of combustion Beginning of combustion Beginning of interaction

60. Morse test is use to measure the _______ of multi-cylinder engine. Break power Indicated power Friction power Motor power

61. Ignition delay can be minimized by adding _________ to decrease engine knocking. Ethel ether Ethyl chloride Ethyl nitrate Ethyl oxide

62. for the submerge plane surface, the point on the surface where the resultant force acts is called the Center of buoyancy Center of gravity Center of pressure Center of attraction

63. At any point in fluid at rest, the pressure is the same in all directions. This principle is known as: Bernoulli principle Archimedes principle Pascal’s law Torricelli’s law

64. The hot-wire manometer is used to measure Pressure in gasses Pressure in fluids Wind velocities at airports Gas velocities

65. The pitot static tube measures The static pressure The gage pressure The total pressure The dynamic pressure

66. The terminal velocity of a small sphere setting in a viscous fluid varies as the First power of its diameter Inverse of fluid viscosity Inverse square of the diameter Inverse of the diameter

67. Pressure drag results from Skin friction Deformation drag Breakdown of potential flow near the forward stagnation point Occurrences of wake

68. The pressure coefficient is the ratio of pressure forces to: Viscous forces Inertia forces Gravity forces Surface tension force Answer: Secret

69. Which instruments is used to measure humidity of the atmosphere continuously? Barograph Thermograph Hydrograph Thermo-hydrograph

70. Entrance losses between tank and pipe or losses through elbows, fittings and valves are generally expresses as a function of Kinetic energy Pipe diameter Friction factor Volume flow rate

71. The air that contains no water vapor is called Zero air Saturated air Dry air Humid air

72. In psychrometric chart, the constant-enthalpy lines coincide with constant-temperature lines at temperature Above 50⁰C Below 40⁰C Below 50⁰C Above 10⁰ C

73. The amount of moisture in air depend on its Pressure Volume Temperature Humidity

74. The deep body temperature of healthy person is maintained constant at 27⁰C 37⁰C 47⁰C 48⁰C

75. Air motion also plays important role in Surroundings Cooling Human comfort None of these

76. During simple heating and cooling process has a ____ humidity ratio Increasing Decreasing Constant None of these

77. The _____ follows a line of constant wet-bulb temperature on the psychrometric chart. Evaporative cooling process Condensive cooling process Direct cooling process None of these

78. A vapor which is not about to condensate is called a A. mixture of vapor and liquid B. critical vapor C. Superheated vapor D. None of these

79. Passing from the solid phase directly into vapor phase is called Condensation Fusion Sublimation None of these

80. Robert Boyle observed during his experiments with a vacuum chamber that the pressure of gases is inversely proportional to their Temperature Pressure Volume None of these

81. ____ is energy in transition Heat Work Power None of these

82. Is the mode of energy transfer between a solid surface and the adjacent liquid or gas which is in motion, and it involves combine effects of conduction and fluid motion. Conduction Convection Radiation None of these

83. Radiation is usually considered as Surface phenomenon Surface interaction Surface corrosion None of these

84. Work is ____ between the system and the surroundings. Work interaction Energy interaction Heat interaction None of these

85. Is a process during which the system remains in equilibrium at all times Quasi-equilibrium Static equilibrium Dynamic equilibrium None of these

86. In the absence of any work interactions between a system and its surroundings , the amount of net heat transfer is equal The change in total energy of a closed system To heat and work Energy interactions none of these

87. The constant volume and constant pressure specific heats are identical for compressible substance incompressible substance compressible gas none of these

88. The velocity of fluid is zero at wall aand maximum at the center because of the velocity effect viscous effect temperature effect none of these

89. For steady flow devices, the volume of the control volume is increase decrease constant none of these

90. Work done in turbine is ____ since it is done by the fluid. Positive Negative Zero None of these

91. Reheating process in Brayton cycle, the turbine work will Increase Decrease Remains the same None of these

92. Which of the following is the chemical formula of ethanol? C 7 H 16 C 2 H 6 O C 7 H 8 C 6 H 12

93. Which of the following is the chemical formula of heptane ? C 7 H 16 C 2 H 6 O C 7 H 8 C 6 H 12

94. Which of the following is the chemical formula of hexene ? C 7 H 16 C 2 H 6 O C 7 H 8 C 6 H 12

95. Which of the following is the chemical formula of toluene? C 7 H 16 C 2 H 6 O C 7 H 8 C 6 H 12

96. As the air passes through a nozzle, which of the following will increase? Temperature Enthalpy Internal energy Mach number

97. As the air passes through a diffuser, which of the following will decrease? Temperature Enthalpy Internal energy Mach number

98. As the air passes through a nozzle, which of the following will decrease? Temperature Enthalpy Internal energy Mach number

99. As the air passes through a diffuser, which of the following will increase? Density Entropy Mach number Velocity

100. As the air passes through a diffuser, which of the following will NOT be affected? Density Entropy Mach number Velocity