Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the Inverse square of the diameter Inverse of the fluid viscosity First power of its dimeter Square of the difference in specific weights of solid & fluid Inverse square of the diameter Inverse of the fluid viscosity First power of its dimeter Square of the difference in specific weights of solid & fluid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 x 10³ VOM + 10.94 x 10⁶ V²OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is 16 mm/s 28 mm/s 24 mm/s 12 mm/s 16 mm/s 28 mm/s 24 mm/s 12 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The __________ pressure is measured by a static tube. None of these Dynamic Static Total None of these Dynamic Static Total ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is 5π/2 10√2π 5π/√2 5√2π 5π/2 10√2π 5π/√2 5√2π ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The continuity equation Relates work and energy None of these Relates mass flow rate along a stream tube Stipulates that Newton's second law of motion must be satisfied at every point in the fluid Relates work and energy None of these Relates mass flow rate along a stream tube Stipulates that Newton's second law of motion must be satisfied at every point in the fluid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Decreases Increases linearly Increases Remains constant Decreases Increases linearly Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP