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What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate?
Answer: Option 1 Let'
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Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is?
Answer: Option 2 Let'
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In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)?
Answer: Option 2 Let'
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In order to avoid tearing off the plate at an edge, the distance from the center of the rivet hole to the nearest edge of the plate (i.e. margin) should be (where d = Diameter of rivet hole in mm)?
Answer: Option 2 Let'
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The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to (Prandtl number) n, where n is equal to?
Answer: Option 1 The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to -1/3
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In the laminar boundary layer flow over a flat plate, the ratio (δ/x) varies as :(where, 'δ' is the boundary layer thickness and 'x' is the distance from the leading edge in the direction of flow).?
Answer: Option 4 Let'
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Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.)?
Answer: Option 3 Let'
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For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number)?
Answer: Option 2 Let'
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Which of the following must be followed by the flow of a fluid (real or ideal) (I) Newton's law of viscosity.(II) Newton's second law of motion. (III) The continuity equation.(IV) Velocity of boundary layer must be zero relative to boundary.(V) Fluid cannot penetrate a boundary.?
Answer: Option 2 Let'
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