45. Why draft tube is not required in impulse turbine?46. How turbines are classified based on head. Give example.47. How turbines are classified based on flow. Give example48. How turbines are classified based on working principle. Give example.49. What does velocity triangle indicates?50. Draw the velocity triangle for radial flow reaction turbine.51. Draw the velocity triangle for tangential flow turbine.52. Mention the type of characteristic curves for turbines.53. How performance characteristic curves are drawn for turbine.54. Mention the types of efficiencies calculated for turbine.55. Define pump.56. How pumps are classified?57. Differentiate pump and turbine.58. Define Rotodynamic pump.59. Define Positive displacement pump.60. Differentiate between Rotodynamic and positive displacement pump.61. Define cavitation in pump.62. What is the need for priming in pump?63. Give examples for Rotodynamic pump64. Give examples for Positive displacement pump.65. Mention the parts of centrifugal pump.66. Mention the type of casing used in centrifugal pump.67. Why the foot valve is fitted with strainer?68. Why the foot valve is a non return type valve?69. Differentiate between volute casing and vortex casing.70. What is the function of volute casing?71. What is the function of guide vanes?72. Why the vanes are curved radially backward?73. What is the function of impeller?74. Mention the types of impeller used.75. Define specific speed of pump.76. Mention the type of characteristic curves for pump77. How performance characteristic curves are drawn for pump.78. Mention the parts of reciprocating pump.79. What is the function of air vessel?80. What is slip of reciprocating pump?81. What is negative slip?82. What is the condition for occurrence of negative slip?83. What does indicator diagram indicates?84. What is the difference between actual and ideal indicator diagram?85. Briefly explain Gear pump.86. Differentiate between internal gear pump and external gear pump.87. Briefly explain vane pump.88. What is rotary pump?89. Draw the velocity triangle for centrifugal pump.90. Draw the indicator diagram fro reciprocating pump
Posted on: Sun, 09 Jun 2013 17:28:28 +0000
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