Fluid Mechanics Shear stress in a fluid flowing in a round pipe Is zero at the wall and increases linearly to the centre Varies parabolically across the cross-section Is zero at the centre and varies linearly with the radius Remains constant over the cross-section Is zero at the wall and increases linearly to the centre Varies parabolically across the cross-section Is zero at the centre and varies linearly with the radius Remains constant over the cross-section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer. Inclined tube water U-tube water U-tube mercury Inclined tube mercury Inclined tube water U-tube water U-tube mercury Inclined tube mercury ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The nominal size of a hose pipe is specified by its None of these I.D. O.D. Thickness None of these I.D. O.D. Thickness ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Euler's equation of motion is a statement expressing Newton's first law of motion Newton's second law of motion Conservation of mass Conservation of energy Newton's first law of motion Newton's second law of motion Conservation of mass Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress Zero at the pipe wall and is a universal constant 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) 2x x πx x/2 2x x πx x/2 ANSWER DOWNLOAD EXAMIANS APP
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