- Archimedes principle
- Newton
- Hooke
- Newton
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Reynolds number (RN) is given by (where h = Film coefficient, l = Linear dimension, V = Velocity of fluid, k = Thermal conductivity, t = Temperature, ρ = Density of fluid, cp = Specific heat at constant pressure, and μ = Coefficient of absolute viscosity)?
Answer: Option 3 Reynolds number (RN) is given byRN = ρ V l /μwhere h = Film coefficient, l = Linear dimension, V = Velocity of fluid, k = Thermal...
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In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).?
Answer: Option 4 Let'
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For laminar flow of Newtonion fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to(where, μ = fluid viscosity )?
Answer: Option 2 Let'
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As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)?
Answer: Option 2 Let'
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The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)?
Answer: Option 1 Let'
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In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)?
Answer: Option 1 Let'
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A fluid which obeys the Newton's law of viscosity is termed as?
Answer: Option 3 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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In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
Answer: Option 4 Let'
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A fluid whose apparent viscosity increases with shear rate is termed as the __________ fluid.?
Answer: Option 3 Let'
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