Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Convert velocity head to pressure head Reduce the discharge fluctuation Increase the discharge Convert pressure head to velocity head Convert velocity head to pressure head Reduce the discharge fluctuation Increase the discharge Convert pressure head to velocity head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is < Δp Δp² Δp > Δp < Δp Δp² Δp > Δp ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the Inverse of the fluid viscosity Square of the difference in specific weights of solid & fluid First power of its dimeter Inverse square of the diameter Inverse of the fluid viscosity Square of the difference in specific weights of solid & fluid First power of its dimeter Inverse square of the diameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is used for very accurate measurement of flow of gas at low velocity? Segmental orificemeter Pitot tube Hot wire annemometer Rotameter Segmental orificemeter Pitot tube Hot wire annemometer Rotameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the Throat diameter is more Sudden expansion of flow in the downstream occurs Distance between the throat and the inlet is more Length is shorter Throat diameter is more Sudden expansion of flow in the downstream occurs Distance between the throat and the inlet is more Length is shorter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following produces maximum pressure difference for transportation of gases? Fans Blowers Vaccum pumps Compressors Fans Blowers Vaccum pumps Compressors ANSWER DOWNLOAD EXAMIANS APP
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