Fluid Mechanics A stream line is Drawn normal to the velocity vector at every point Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) x πx x/2 2x x πx x/2 2x ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a Kennison nozzle Weir Pitot tube V-notch Kennison nozzle Weir Pitot tube V-notch ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂t = 0 ∂/∂s = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Interstage coolers are provided in a multistage compressor to Save power in compressing a given volume to a given pressure Cool the delivered air Achieve the exact delivery pressure None of these Save power in compressing a given volume to a given pressure Cool the delivered air Achieve the exact delivery pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Not constant along a streamline None of these Increased in the direction of flow Constant along a streamline Not constant along a streamline None of these Increased in the direction of flow Constant along a streamline ANSWER DOWNLOAD EXAMIANS APP