Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone. 40 10 1 70 40 10 1 70 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 0.24 24 24000 0.44 0.24 24 24000 0.44 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady flow occurs, when the Conditions change steadily with time Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Rate of the velocity change is constant Conditions change steadily with time Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Rate of the velocity change is constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) d2/3 d1/3 d2 √d d2/3 d1/3 d2 √d ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is 4HB/(H + B) 2HB/(H + B) HB/2(H + B) HB/(H + B) 4HB/(H + B) 2HB/(H + B) HB/2(H + B) HB/(H + B) ANSWER DOWNLOAD EXAMIANS APP