Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is √(HW/π) 2HW/(H + W)² HW/4(H + W)² HW/2(H + W)² √(HW/π) 2HW/(H + W)² HW/4(H + W)² HW/2(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? 1.5 1 0.5 2 1.5 1 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to elastic forces is called the __________ number. Euler Weber Reynolds Mach Euler Weber Reynolds Mach 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 Rotameter Hot wire annemometer Segmental orificemeter Pitot tube Rotameter Hot wire annemometer ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The continuity equation Relates work and energy Relates mass flow rate along a stream tube None of these Stipulates that Newton's second law of motion must be satisfied at every point in the fluid Relates work and energy Relates mass flow rate along a stream tube None of these Stipulates that Newton's second law of motion must be satisfied at every point in the fluid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In laminar flow through a round tube, the discharge varies Inversely as the viscosity Inversely as the pressure drop Linearly as the viscosity As the square of the radius Inversely as the viscosity Inversely as the pressure drop Linearly as the viscosity As the square of the radius ANSWER DOWNLOAD EXAMIANS APP
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